Hardness of Galvanized Steel Pipe

Galvanized steel pipe is a steel pipe that has been coated with zinc. This coating protects the steel from corrosion. It is most commonly used for outdoor construction like fences and handrails, or for some interior plumbing. The zinc provides a barrier against corrosion so that the pipe may be exposed to the outdoor environmental elements. The protective barrier proves equally effective against damage from indoor humidity.

Galvanized steel can be made into a strong plumbing or tubing material — one that resists corrosion from exposure to water or the elements. It has been used used for water-supply pipes or as a strong tubing for outdoor applications.

Galvanized steel hardness

Galvanized Steel are those steel that has been covered with a layer of zinc metal. Galvanized steel in terms of hardness test is a Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, micro-hardness and high-temperature hardness, etc., which can be divided into a variety, most of the manufacturers or using a Buchner,Rockwell, Vickers hardness of these three methods.

Brinell hardness measurement principle is the test force F (N) with a certain size, the diameter D (mm) of hardened steel balls or carbide ball pressed into the surface of the metal under test, to maintain a predetermined time after the drop test force, the the indentation average diameter d (mm) measured with a reading microscope, and then the equation Brinell hardness HB value, or the value d from the prepared Brinell hardness table to detect HB Brinell hardness measurement method is suitable for cast iron, non-alloy, annealing and quenching and tempering steel, the determination should not be too hard, too small, too thin and the surface does not allow the larger indentation specimen or workpiece.

Rockwell hardness test when the sample is too small or Brinell hardness (HB) is greater than 450, to switch to a Rockwell hardness measurement. The test method is an apex angle of 120 degrees with a diamond cone or the diameter 1.59mm/3.18mm the ball, pressed into the surface of the material under a certain load, the hardness of the material by the indentation depth obtained.

The Vickers hardness means a standard of the hardness of the material. Vickers hardness there is a small negative Vickers hardness test load 1.961 <49.03N, it applies to a thinner workpiece, the tool surface or coating hardness measurement; micro-Vickers hardness test load <1.961N applicable to the metal foil, , of the ultra-thin surface layer hardness measurement.

Order--Hot Dip Galvanized Steel Pipes with 200g Zinc / M2 to Mauritius

Product: Hot Dip Galvanized Steel Pipes with 200g Zinc / M2

Standard: BS 1387 Gr.B（Q235B)

Specification: 38*38,1.4~2mm WT

Surface: Hot dip galvanized

Ends: PE

Quantity: 25T

Production Time: 30 DAYS

Destination: Mauritius

Sales Expert: Sally Yang

Differences between Water Gas Pipeline and Galvanized Steel Pipe

The biggest difference between water gas pipeline and galvanized steel pipe is that the former is seamed steel pipe and its pressure bearing capacity is low, the later is seamless steel pipe and its pressure bearing capacity is high.

Water gas pipes are constituted by welded steel pipes with thick wall, its materials are different from galvanized steel pipes. Water gas pipe is made of low-carbon steel welded pipe. those Galvanized are called galvanized iron tubes. Those non-galvanized are called black pipes.

Galvanized steel pipe is divided into cold galvanized steel pipe and hot galvanized steel pipe. The electroplating of hot galvanized steel pipe is relatively strong, its zinc layer is thick, and there is a blue ring logo on the head of galvanized pipe. Cold galvanized steel pipe is also made by electroplating, but it is made with less technology, and its performance is far worse, no blue logo. Cold galvanized steel pipe has been banned, hot galvanized steel pipe is promoted temporary use by country.

Now the water gas pipelines used in the project are basically galvanized pipe, instrument air galvanized steel pipe and galvanized steel pipe of cable laying is using hot galvanized galvanized steel pipe to produce, since the hot galvanized pipe is more corrosion-resistant. The electrical piping on the project is thin-walled tube, it can not be under pressure.

Intro to Hot Dip and Cold Galvanized Steel Pipe

Galvanized pipe can be classified into two kinds: cold galvanized steel pipe and hot dip galvanized steel pipe. The former has been forbidden, and the latter has been advocated temporarily in China.

1. Hot Dip Galvanized Steel Pipe

Hot dip galvanized steel pipe is to make the molten metal react with iron substrate so as to produce alloy layer so that the substrate can be combine with coating combination. Hot dip galvanized steel pipe is first taken acid pickling in order to remove iron oxide on the surface of the steel tube. After acid pickling, clean up in the tank of ammonium chloride or zinc chloride or ammonium chloride and zinc chloride mixed aqueous solution, and then sent to the hot dip plating tank. Hot dip galvanized has the advantage of uniform coating, strong adhesion, long service life, etc.

Steel substrate react complex physically and chemically with molten electrolyte solution, and then form into zinc-iron alloy layer with the compact structure of corrosion resistance. Pure zinc alloy layer, alloy layer and steel substrate are integrated with each other. So, its corrosion resistant ability is extremely strong.

2. Cold Galvanized Steel Pipe

Cold galvanizing is electricity galvanizing, but the galvanized quantity is very few about only 10 g to 50 g per square meter. Its corrosion resistance ability is weaker than that of galvanized pipe. Regular galvanized steel pipe manufacturers mostly do not use electric galvanized zinc (cold galvanized) in order to guarantee the quality. Only those small enterprises with small scale and old equipment adopt electric galvanized zinc. Of course, the price is relatively cheaper. At present, the Ministry of Construction has officially indicated to weed out cold galvanized pipe which is now lagging in technology and it is not allowed to use cold galvanized pipe as water and gas pipe in the future.

The zinc layer is electrodeposited coating, and zinc layer and steel substrate layered independently. Because the thin zinc layer attached on the steel substrate is simply easy to fall off, the poor corrosion resistance is not strong. In the newly-built residence, it is prohibited to use the cold galvanized steel tube as the feed pipe.

The Growth of World Economic Needs China 's Kinetic Energy

The overall global economy running smoothly at present, but the international financial crisis is far from end, the banking situation has not been well in nature. Hunan Shinestar Steel Research Institute said that as the world's big import and export country, China is an important driving force of world economic growth, world economic growth needs China's kinetic energy.

In the major economies, the banking crisis has not yet ended, the debt problem has not yet been resolved. Frankly speaking, the banking crisis is not a short-time and easy problem. Since 2008, a large number of debt problems became intensify, and the process to slove is extremely slow. People need more time to "digest" the debt problem, which is an important factor to affected the global economic.

In this context, the growth rate of Chinese economy remained at 6%, much higher than the global average of 2% to 3% in recent years. There is no doubt that China is a major contributor to the global economy. For a long time, people used to think the United States, Europe and other economies to replace the development of the global economy, and now the pattern has been broken, China is changing the world. With this situation, Communication is the most effective way to eliminate tension and fear. With the continuous enhancement of its comprehensive national strength, China is gradually approaching the center of the world economic, which creat opportunity for the East-West exchange. Chinese President Xi Jinping presebt at The Davos Forum is a good example. We take this opportunity to strengthen mutual understanding and find ways to work better.

In recent years, China's economic growth has shifted from high-speed growth to medium high-speed growth, and China's active structural reform is more conducive to the long-term and stable development of China's economy, which shows that China's economy is maturing. It is foreseeable that China's mature economy will play a greater role in promoting global economic growth. Shinestar Group as a supplier of angle steel, galvanized angle, channel, hot galvanized channel steel, galvanized I-beam, stainless steel I-beam etc. always concerned about China's economic and global economic development, and strive to achieve theirselves transformation upgrade.

President Xi delivered a keynote speech at the opening ceremony of the annual meeting of the World Economic Forum in 2017, signaling to the world China's willingness to participate in global economic governance. China's current economic position and strength, as well as China and the rest of the world's economic ties, determines China will play an important role in global economic governance. The global economy has long been inseparable from the depth of China's participation and cooperation, China has sufficient capacity and experience to promote global economic governance.

In the future, Shinestar Group will continue to upgrade its technical strength and strive to produce more quality angle steel, galvanized angle steel, channel steel, hot galvanized channel steel, galvanized steel pipe, stainless steel I-beam products to add new vitality for the Chinese Economic and the world Economic development.

China's foreign trade inventory in 2016

Look back over past 2016,though China’s foreign trade growth fell,structure optimization,benefits of quality and so on showed many new changes and bright spot.As a Welding steel pipe, line pipe, straight seam submerged arc welding pipe, galvanized pipe, submerged arc weld spiral welded pipe, scaffolding and other products of steel production services provider,Shinestar group has been paying close attention to the development of foreign trade.Shinestar Steel Research Institute said the development way of China's foreign trade on the import and export trade structure, market distribution and trade subject has different degree of optimization and improvement in 2016 that mainly embodied in these aspects:

First,internal production of power to further strengthen,private enterprises import and export growth of 2.2% in 2016,accounting for 38.1% of China's total foreign trade, up 1.2 percentage points from 2015.Our trade way tend to be more reasonable,the general trade import and export growth of 0.9%,accounting for 55% of the total cost of the foreign trade of our country,up 1 percentage points from 2015.Gradient transfer of processing trade progressed steadily,the import and export of processing trade in the central and western regions increased by 3.2%,accounting for the proportion of total cost of the foreign trade in our country ,up 1.3 percentage points from 2015.The international market diversification has made some progress,some "along the way" along the country's rapid trade growth,to India, Russia, Pakistan, Poland and Bangladesh and other countries import and export growth of 4.1%, 8.7%, 7.2%, 4.1% and 9.2%.

Second,in the superior products in optimal out has made good progress.In terms of exports,China’s traditional advantage products exports growth remained,textiles, plastic products and toys export growth of 1.9%, respectively, 0.5% and 24.9%,still keep a good competitive advantage.At the same time benefit from China's abundant capital, perfect industrial system and strong manufacturing capacity, our country enterprise in the speed up to go out and promote the international cooperation capacity also led equipment manufacturing and export of high value-added products,China's enterprises in accelerating to go out and promote international capacity cooperation also led the equipment manufacturing and high value-added products exports.Some mechanical and electrical products and equipment manufacturing exports also maintained a good momentum, such as medical equipment export growth of 6.1%, auto parts export growth of 3.5%.

Third,in terms of import,China's crude oil, copper and other commodities imports in 2016 continue to maintain the growth momentum, which also shows that China's domestic economy is running smoothly, demand has picked up.At the same time, the policy effect of expanding imports and optimizing import structure shows that some high-tech products such as advanced technology, key parts and important equipment have a rapid growth in import.In 2016, imports of electrical products increased by 1.9%, of which turbojet engine imports increased by 26.8%, ship growth of 26.6%, measurement and analysis of automatic control equipment and apparatus increased by 10.7%.

The future, we need to be more active in the face of complex and volatile international and domestic economic situation and import and export environment, and strive to build an open economy new system, and continuously improve the quality and efficiency of foreign trade development, build a higher level of open economy, the full realization of the "big Into the big out "to" excellent into excellent "change. Shinestar Group will also adhere to independent innovation, pay more attention to cultivate technology, brand, quality, service as the core of the new advantages of foreign trade competition, to produce more high-quality welded steel pipe, pipe, straight seam submerged arc welded pipe, galvanized steel pipe, ERW steel pipe, scaffolding and other products, playing an international competitiveness of the steel group.

Talking About The Risk of Economic Growth in 2017

At present China economy is slow in stabilization, steady for the better.Supply side structural reforms achieved interim results.The positive factors of economic growth  are increasing, but the structural contradictions and risks of economic development still exist.As the SSAW steel pipe,welded carbon steel pipe ,stainless steel pipe,and  other products manufacturers service,Shinestar group has been very concerned about the development of Chinese economy.Today, shinestar Steel Research Institute talk  about the risk of economic growth in 2017.

First, the risk of external shocks.  The global economy is facing increasing conflict, after the international financial crisis, the developed countries in Europe and the  United States have been mired in structural problems, economic reform is sluggish, slow economic recovery, conservatism tends to rise.Global economic growth is  expected to be generally weak, developed economies are still slow growth, emerging markets and the development of the economy will only moderate growth.U.S.  inflation is expected to push up interest rates and the dollar exchange rate,the new president of the United States proposed to reduce income tax, expand the scale of  infrastructure, repatriation of immigrants and other policies tend to push up U.S.Emerging market countries economic recovery is not solid, accompanied by domestic risk  is intensifying,especially continue to rely on credit to drive economic growth eventually leads to increased risk of damaging adjustment.

Second is the real economy from the bottom of the recovery, the economy is still downward pressure.In 2016, the real economy from the bottom of the recovery,Mainly  rely on supply side reform is expected to promote the recovery of PPI from the bottom, the real estate market driven by the growth of real estate investment growth  picked up.At present, the fixed asset investment growth downward pressure, has not yet appeared signs of cyclical rebound in fixed asset investment.Private fixed asset  investment growth continued to fall, real estate development investment growth may slow down.

Third is the real estate market than expected development potential risks.2016 real estate market than expected development of stable economic growth has played a  positive role, but its negative impact in 2017 need to be concerned.The real estate market regulation will have a negative impact on investment and bank profitability  indicators.2016 in October, some cities have adopted a more stringent measures to regulate real estate, real estate investment may also be down accordingly.At the end  of June 2016, commercial banks non-performing loans 1 trillion and 437 billion yuan, more than the same period last year 31%.Although the proportion of non-performing  loans of commercial banks is only 1.75%, but the proportion of non-performing loans and non-performing loans rising trend both need to remain vigilant.

Four is the pressure of capital outflows and devaluation is expected to rise. Since 2016 halfyear, China's foreign exchange reserves continued to decline significantly.  From January to November of 2016, the foreign exchange reserves accumulated decreased by 278.76 billion USD, the foreign exchange reserves of 3.05 trillion USD to the  end of November.After CNY joined the SDR, the CNY against the USD accelerated depreciation, as to December 29, 2016, has exceeded 6.95 CNY/ USD. Next year, IMF  will do more rigorous evaluation to CNY exchange rate control measure, which will make CNY capital control more difficult.

Shinestar Group will face marketing risk and challenges, and will make great efforts to produce more high quality ERW Steel Pipe,galvanized steel pipe ,stainless  steel pipe accelerate enterprise transformation and upgrading, and develop China's economic.

Glavanized Steel Pipe Manufacturing

Glavanized Steel Pipe Manufacturing


Galvanized pipe using sulfate electroplating of zinc-iron alloy technology, is the production line between the slot and slot are perforated without any solution out or overflow. The production process of the process consists of the circulatory system, the tank solution that acid-base liquid, electroplating solution, the light and passivation solution, only to not use the system to leak or discharge, the production line only 5 cleaning tank, Reuse of regular emissions, in particular, after the passivation is not washed without the production of waste water production process.

Hunan Shinestar Steel Research Institute

Hunan Shinestar Steel Research Institute

If Shinestar is a ship sailing in the sea, then the company management is the captain lead the direction. In 2016, Hunan Shinestar Steel Research Institute has been founded, which is the first independent institute been set by enterprise. It will provide technical support to Shinestar to promote our company to a new level.

Hunan Shinestar Steel Research Institute belongs to the Chinese steel industry regional industry organization, will strictly follow the party's policies to service steel industry and social, adhere to innovation and development, establish and perfect industry coordination and self-discipline Mechanism to safeguard the interests of the industry as a whole and the legitimate rights and interests of enterprises. Developing our role in the industry between enterprises, and continuously improve the competitiveness of China's steel industry in the international market and promote the healthy development of the steel industry.

The service scope of Hunan Shinestar Steel Research Institute including:

Firstly, according to the relevant state policies and regulations, combined with industry characteristics, make rules for industry regulations and establish industry self-regulatory mechanism, constantly regulate the industry behavior. Especially in the promotion of industrial restructuring, elimination of backwardness, promote technological progress, strengthen energy conservation and environmental protection, improve the quality of industry operation, etc. 

Secondly, carrying out industry research, participate in the development of industry development planning, industrial policies and regulations for the government and industry to strengthen macro-control and management , for policy support.

Thirdly, collecting, collating, grading release domestic and international steel industry market conditions and industry information. Monitoring the economic operation of the industry trend, to carry out special studies. Offering service to iron and steel enterprises in the management, development strategies and economic and technical indicators for analysis and evaluation.

Fourth, actively participate in the formulation, revision of the industry on technology, economy, management standards, norms, organizations to promote the implementation of member units to carry out inspection, assessment work.

Fifth, actively participate in the industry of major investment, transformation, development projects of the advanced nature, feasibility and feasibility of the early demonstration. Promote scientific and technological innovation, management innovation and product development, the development of common industry technology organizations and the promotion and application of scientific and technological achievements.

Sixth, organize sale's training, research and development trade skills, job evaluation standards and assessment, organize the steel industry vocational skills competitions, improve the professional and technical of staffs.

Seventh, actively carry out exchanges and cooperation with international organizations and overseas enterprises, keep in touch with international steel industry organizations, exchange information, negotiation, promote foreign economic and technological exchanges and cooperation, and organize companies to participate in international exhibitions.

Eighth, commissioned by the industry, according to the law to carry out the steel industry statistics, investigation, analysis and reporting and other jobs. Representation or coordination of anti-dumping, countervailing, safeguard measures related work, coordination of iron ore imports, coordination of iron and steel products import and export.

In the future, Hunan Shinestar Steel Research Institute will continue to enlarge the team, engage professors for consultancy, cooperate with domestic and foreign steel industry experts for management consulting, market research, management training, customer survey and competitor investigation. For all-round support for the wisdom of China's steel industry to contribute to the development. 

Prime set up tianjin branch, promote the development of international trade

On November 18, located in tianjin binhai zone at nankai huayuan industrial district science and technology building of hunan prime steel pipe LTD co.,tianjin branch officially opened. The new company will be relying on tianjin traffic advantages, as well as Shinestar production resources of tianjin production base, to further promote the development of Shinestar of iron steel group international trade, for the global customers with high quality steel products and services.

Shinestar CEO Wang Li and Hunan prime steel pipe co., LTD., general manager of publicity and tianjin branch, head of the relevant departments attended the ceremony and cut the ribbon for the new company.

It is understood that last year put into production of tianjin production base, is based on tianjin Shinestar of iron steel group, radiation global manufacturing platform, has been committed to the construction of high yield, good performance, the domestic first-class, international leading steel production base, and gradually grasp own advanced production technology, constantly meet the greater needs of customers and improve comprehensive competitiveness of the market. Powerful production base in tianjin will no doubt provide solid at tianjin prime branch security capacity, make the prime no trouble back at home, at pushing into the international market.

Shinestar of iron  steel group are in the globalization development strategy phase, group subsidiary is oriented to the international market comprehensively, hunan prime steel pipe co., LTD., tianjin branch, is timely. At tianjin branch will focus on the layout in the Middle East, southeast Asia, Africa and parts of Europe and the United States and other international markets, provide dominated by straight seam welded pipe, synchronous provide seamless tube, spiral pipe and adapter tube of high quality products and perfect service.

Prime manager zhang said, at tianjin branch will continue adhering to the "good faith in mind, depends on the sincerity to win customers" work principle, to provide one-stop shopping service, professional team to meet customer the regulatory requirements of the project. Will also arrange all kinds of professionals in different links of supervision and monitoring, to ensure the high quality products to be produced.

As a world-class straight seam welded pipe production services suppliers, prime at committed to to the oil, gas, construction, energy and chemical industry, providing the quality are in conformity with price of steel pipe products, and always believe that effective communication, professional industry knowledge, rapid execution, lead the prime at with customers to establish long-term relations of cooperation.

Prime at belonging to Shinestar of iron steel group. As a base, service global production of large steel enterprises in China, Shinestar of domestic and international trade in 2016 double wave red, topped the top 100 enterprises of hunan. Its high quality steel products won a good market both at home and abroad. The future, Shinestar will toward building the "aircraft carrier" domestic steel procurement service as a whole and benchmarking enterprise's target for one hundred, and continuously.

Iron and steel industry prices fell, the reason why?

As we all know, often drop large iron and steel industry, the price is extremely unstable, so what is the cause of this phenomenon?Shinestar Steel Research Institute found through research, technology and the characteristics of the iron and steel industry, the cost structure resulted in the imbalance between supply and demand environment quantity adjustment special difficulties.

Specifically, the characteristics of modern steel production technology determines that the industry has a strong scale effect.This means that the iron and steel enterprises need to spend a huge amount of money to buy equipment and equipment to build production systems, resulting in a higher proportion of fixed capital amortization of depreciation in the total cost.Shinestar Steel Group attaches great importance to R & D investment, its R & D production of carbon steel pipe, welded steel pipe, line pipe, galvanized pipe and other excellent products, the market was highly recognized.

Under normal market conditions, the characteristics of the industry makes the steel enterprises with the average cost per unit of output with the output scale and reduce the advantages, is conducive to enhancing the competitiveness of enterprises by expanding the scale, so the rapid growth in market demand under the environment of enterprises with strong expansion impulse.However, the demand for reverse change and under the conditions of excess capacity, the objective needs of sales compensation huge cost sharing, will lead to reduced production enterprises facing special difficulties,makes an ordinary enterprise may have to accept the price is far below the average cost, the formation of the iron and steel industry seems to be more willing to price competition and regardless of the loss of the phenomenon.

At present, the entire industry is under the background of the capacity to understand the difficulties behind the steel enterprises are more conducive to the promotion of structural adjustment.Huge amortization cost constraints, in addition to the mentioned steel blast furnace if stewing furnace boiler stop need extra pay huge cost, which further increased the steel mills production scale down the economic difficulties.In addition, the government protection measures from the Angle of system distortion may prevent enterprises from the number and scale down.

Requires industry to face the question is: in 2009, 460 million tons of crude steel production in China, in 2015 the actual production capacity of more than 1.25 billion tons of crude steel in our country, production of 804 million tons.By profit nature of the enterprise, industry concentration degree increase, corporate profitability increased, the influx of capital, capacity expansion again, a single merger can not limit production capacity expansion.

Product navigation, production escort,Shinestar Steel Group has been very focused on product development and production, which owns the layout of Changsha, Xiangyin, Nanchang, Tianjin four production bases,combined shinestar steel R & D and production of the powerful platform, R & D and production of carbon steel pipe, welded steel pipe, line pipe, galvanized pipe and other excellent products, praised by customers.The future, Shinestar will continue to increase investment, the introduction of advanced technology and equipment, the more the production of more and better quality products, in order to adapt to the development of the globalization strategy.

The difference between ERW pipe and HFW pipe

The difference between ERW pipe and HFW pipe
ERW call is one of the resistance welding steel pipe, ERW are respectively corresponding to the first letter of the English word. Resistance welding steel pipe can be divided into ac and dc welding welding two forms.
Ac welding according to the different frequency is divided into low frequency, intermediate frequency brazing, intermediate frequency and high frequency welding welding. High frequency welding is mainly used for thin wall pipe or ordinary wall thickness pipe production, high frequency welding is divided into contact welding and induction welding.
Dc welding is commonly used in small diameter steel pipe.
So, in general, the high frequency welded pipe contained in ERW welded pipe, is a kind of high frequency welding process production ERW welded pipe.

SAE/AMS Specifications Sheet

SAE/AMS Specifications Sheet

SAE-J356 Welded Flash Controlled Low Carbon Steel Tubing Normalized for Bending. Double Flaring and Beading.
Covers normalized electric resistance welded tube ID flash-controlled .005" to .010" manipulative quality.
SAE-J524 Seamless Low Carbon Steel Tubing Annealed for Bending and Flaring.
Covers cold drawn seamless JIC hydraulic line tubing.
SAE-J525 Welded and Drawn Low Carbon Steel Tubing Annealed for Bending and Flaring.
Covers welded and drawn JIC hydraulic line tubing.
SAE-J526 Welded Low Carbon Steel Tubing.
Covers annealed welded tube with ID flash-in for general automotive applications.
SAE-J527 Brazed Double Wall Carbon Steel Tubing.
Covers copper brazed double wall low carbon steel tube intended for general automotive applications and other similar uses. Suitable for bending, forming and double flaring.
SAE-J529 Fuel Injection Tubing.
Covers low carbon steel tube specially manufactured for high pressure fuel injection lines for diesel engines.
AMS-5050 Seamless Annealed Low Carbon Steel Tube.
Covers cold drawn seamless JIC hydraulic line steel tubing for aircraft applications.
AMS-5062 Seamless Low Carbon Steel Tube.
Covers cold finished or hot finished seamless low carbon mechanical steel tube.
AMS-6360 Seamless SAE 4130 Alloy Steel Tubing.
Covers aircraft quality 4130 tube in condition N temper. Similar to MIL-T-6736 specification.
AMS-6365 Seamless SAE 4135 Alloy Steel Tubing.
Covers aircraft quality 4135 tube in condition N temper. Similar to MIL-T-6735 specification.
AMS-6371 Seamless SAE 4130 Alloy Steel Mechanical Tubing.
Covers electric furnace grade magnaflux quality 4130 aircraft tube, either hot finished or cold finished, hardenable.
AMS-6372 Seamless SAE 4135 Alloy Steel Mechanical Tubing.
Covers electric furnace grade magnaflux quality 4135 aircraft tube, either hot finished or cold finished, hardenable.
AMS-6381 Seamless SAE 4140 Alloy Steel Mechanical Tubing.
Covers electric furnace grade magnaflux quality 4140 aircraft tube, either hot finished or cold finished, hardenable.
AMS-6415 Seamless SAF 4340 Alloy Steel Mechanical Tubing.
Covers electric furnace grade magnaflux quality 4340 aircraft tube, either hot finished or cold finished, hardenable.

Two US oil companies will operate more than 3100 miles of oil line pipe

The US oil line pipe company American Midstream Partners LP said hat the company will acquire peer JPEnergy Partners LP. The transaction will be the whole stock exchange in the form of completion, and will create a valuation of $ 2 billion focus on oil and gas line pipe transportation and other areas of limited partnership. The deal valued JPEnergy's common stock at $ 8.63 per share, a premium of 14.5% to its closing price on Friday. The combined corporate headquarters will be located in Houston, the business will be mainly concentrated in the oil-rich region of North America.

Private equity firm ArcLight Capital Partners holds a stake in the companies in the above transactions. According to Thomson Reuters Group, lArcight holds a 15.6% stake in AmericanMidstream, which holds a 19.8% stake in JPEnergy. Lynn Bourdon, chief executive of AmericanMidstream, will lead the combined company. The combined company will own and operate more than 3,100 miles of oil line pipes.

Bank of America Merrill Lynch in the transaction as AmericanMidstream financial adviser, LockeLordLLP as its legal adviser. BMOCapitalMarkets acted as financial advisor to JPEnergy and Latham & Watkins acted as legal counsel.

The Advantages to use Galvanized Pipe

Galvanized pipe is pipe that has been coated with a layer of zinc. This coating protects the pipe from corrosion and rust, leading to increased longevity and enhanced reliability.

The zinc is often applied via a hot-dipping process, literally lowering the intended material—whether it is steel, aluminum or another metal—into hot zinc. This coating protects the pipe by corroding first when the pipe is out in the field, allowing the metal underneath it to stay intact and usable for a longer period of time.

Here are a handful of great reasons why you should choose galvanized pipes:

Inexpensive Protection

Galvanization is often less expensive than other ways of protecting metal from corrosion. This is due to the fact that other methods often require intensive labor. Labor costs have risen steadily, which means the costs of these methods have risen as well.

ASTM Galvanized Pipe Standardization

The ASTM has standards for many different types of galvanized pipes. This means that when you buy an ASTM galvanized pipe, you can count on its quality and accurately predict its performance and lifespan.

Fewer Repairs

Because galvanized pipes are resistant to corrosion, you don’t need to repair them as often as other types of pipes. This saves time and money, especially if your pipes are located in areas that are difficult to reach.

Simple To Inspect

You don’t need sophisticated equipment to inspect galvanized pipes. Rather, the integrity of their coatings can be checked by the human eye, and their thickness can be measured with straightforward processes that won’t damage the pipes.

All-Over Protection

Zinc coatings provide cathodic or sacrificial protection, meaning that even if small parts of the zinc layer have been scratched or damaged, the exposed metal underneath will still be protected. Furthermore, galvanization protects the parts of your pipe that are usually problematic—the corners, recesses and nooks. Other processes of protecting pipes don’t offer this all-over protection.

If you have any questions or are considering galvanized pipe for your next project, please contact us. We’ll get back to you quickly with the information or quote you need.

Galvanized Steel

Galvanized steel is simply steel coated with zinc. After going through a process called galvanizing, in which steel is coated with zinc and a normal steel becomes a galvanized steel. This process is performed to avoid steel from rust and corrosion.

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Galvanized steel has thousands of industrial applications, especially marine

products. They are commonly used in marine applications because in that case the pipe fittings are subject to tough and wet conditions. It is not a new concept, in fact, it is being used from early times. Till 1850, over ten million tons of zinc was used to protect steel. There is a misconception about the galvanized steel.

Many people think that galvanized is a better product, but it is expensive and increases the overall cost. In fact, galvanized steel becomes less expensive when combined with its long life span. Galvanized steel studs cost almost half the price as compared to wooden studs that are most commonly used in buildings. Galvanized pipes are not used for  underground lines. It is relatively better to use for hot water lines, however, it also works good for cold water lines. Avoid using galvanized pipe fittings for gas supply lines as natural gas can cause the zinc to come off and cause blockages in the system.

Galvanized pipe fittings generally comes in size ranging from diameter of 1/8" to 20". These pipes are great value for money. No doubt galvanized steel pipes have various advantages, however, it has disadvantages also. One disadvantage is that the zinc coating can hide problems and defects beneath the coating which would otherwise be visible. And there are few more.

The important thing to remember is that whatever you choose, choose smartly. There is nothing on this planet that has only advantages, But there are things that have more advantages than disadvantages which makes them relatively better choice.

Order---Hot Dipped Glavanized Steel Pipe Shipped to Oman

Product: Hot Dipped Galvanized Steel Pipe
Standard: BS 1387
Specification:
88.9mm*3mm*6.1meters
88.9mm*3.2mm*6.1meters
Surface: zinc coating 210g
Ends: Plain End
Quantity: 66 Tons
Production Time: 25 days
Destination: Oman info@primesteeltube.com

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Galvanized Steel Pipe Production Process

Galvanized Steel PipeIn order to improve the corrosion resistance of the steel pipe, in general people will coated the steel pipe with zinc. Galvanized steel pipe is mainly used for transporting gas and heating.
If use galvanized steel pipe as water pipes for drinkable water, after many years of application, it turns out there are many rust inside the steel pipe which will influence the quality of the
drinking water.


Galvanized Steel Pipe Weight Formula: ( Outside Diameter - Wall Thickness) x Wall Thickness x 0.02466 * 1.0599 = Weight per Meter (kg / m)

There are two types of galvanized steel pipe in the market which is divided by the production processes.

Hot-dipped Galvanized Steel Pipe:

Hot-dipped zinc coating is the molten metal to react with the iron matrix alloy layer. So the substrate and the zinc coating combined well. The first production step is pickling the steel pipe.
In order to remove the surface of the iron oxide, cleaning bath by mixing an aqueous solution of ammonium chloride or zinc chloride aqueous solution for the after pickling steel pipe is
needed. And then the steel pipe is allowed to put in the hot dip tank. The using advantage for hot dipped galvanized steel pipe is the coating has strong adhesion and long using life.
Applying hot-dipped galvanizing process, the zinc coating will be combined with the surface of the steel pipe evenly.

Production Process:

Material Inspection (Steel Pipe) --- Hanging --- De-greasing --- Rinsing --- Pickling --- Washing --- Dipping Fluxing --- Hot Air Drying --- Inside and Outside Hot-dipped Galvanizing Blow
--- Cooling --- Passivation and Rising --- Unloading --- Inspection and Trimming --- Type Identification --- Packaging and Storing and Transportation.



Cold Galvanized Steel Pipe:

Cold Galvanizing process is also named as electro-galvanizing process which is using cold plates as raw material. Cold Galvanized Steel Pipe has very few zinc coating which is only around
10 ~ 50 g/m2. Compared with hot-dipped galvanized steel pipe, the corrosion resistance of cold galvanized steel pipe is not as good as hot-dipped galvanized steel pipe.
In order to ensure the quality of the galvanized steel pipe, most of the galvanized steel pipe manufacturers will not apply the electro galvanizing producing process. Only those small and
outdated manufacturers still use electro-galvanizing producing process to offer relatively cheaper galvanized steel pipe. Since the zinc layer for cold galvanized steel pipe is electroplated layer,
it is the individual layered zinc coating on the steel pipe, so the coating layer will be peel off easily. Overall, the producing cost for cold galvanized steel pipe is lower than hot-dipped
galvanized steel pipe, and the manufacturer can offer the purchaser a very competitive market price. However, the surface of the coating is uneven which influence the corrosion resistance
of the galvanized steel pipe.

Production Process:

Uncoiling (Galvanized Steel Strips/Plates) --- Leveling --- Welding --- Scraping the Scar --- Passivation and Rinsing --- Zinc adding --- Setting/Forming --- Type Identification --- Cutting
--- Packing --- Drying --- Weighed

Do you know the Using Advantages of Galvanized Steel Pipes ?

Galvanized Steel Pipes are widely used in many fields, do you know the reason why is so popular?Below is three main using advantages of Galvanized Steel Pipes you might want to know:


1. After being hot-dip galvanized, the pipes of the surface will be protected well. Compared with other type of coating process, deepen the zinc is easier to let the coating covered well.


2. Because the zinc coating has a larger hardness value than steel pipes. After being galvanized, the impact resistance and anti-ware properties of the steel pipes has increased.


3. In general, the zinc layer at the pipe ends will be relatively thicker than other type of coatings. Therefore, it offers better toughness and abrasion resistance to the Galvanized Steel Pipes.