Do you know the difference between pipe and tube?

1. Pipe indicates larger outside diameter than tube. Pipes accomodate large applications with sizes that range from a half-inch to several feet. Tubes are generally used in applications that rquire smaller diamters. 

2. The wall thickness of pipe is reffered as pipe schedule, while the wall thickness of tube is specified by a guage for thinner thickness and by fractions of an inch or millimeters for thicker thickness. 

3. The tolerance for pipes is looser than tubes comparatively. Therefore, manufacturing tubes requires more process, tests, inspections than pipes which lead to a longer delivery time, higher cost, and also higher market price. 

4. The pressure rating is significant for pipes because pipes are generally used for fluids, gases, and water. However, for tubes, the outside diamters is important for tubes because tubes are mainly used for weapon part, industrial parts, cooler tubes, medical tubes. 

5. The raw material for pipe is carbon steel or low alloy steel, while for tubes, the raw material is mild steel, aluminum, brass, copper, chrome, stainless steel ect.
6. Pipes is allowed to delivered in bundle or bulk, while for tubes, it usually wrapped with wooden box or thin film for each tubes. 

7. About surface finish, pipes need to be painted or coated with anti-corrosion. However, tubes might need sour cleaning or special polish treatment for particular field use. 

8. The order quantity for pipes is larger than tubes. Because pipes is used for long transporting and used in mass quantity. 

9. Pipe ends are usually in plain or beveled, while for tubes are with coupling ends or specially end finish.
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Tianjin Shinestar Steel Pipe Manufacturing Co., Ltd started production in December 2015

Tianjin Shinestar Steel Pipe Manufacturing Co., Ltd as the largest factory has started production in December 2015.


The new factory is located in Tianjin Jinghai Economic Development Zone. This project started in September 2012 and finished in October 2014. After one year of preperation for production facilities, the factory was officially start production in December 2015. The total investment for this project is around 270 million RMB, and most of our investment is on R&D production equipment. The production lines including for scaffolding pipe, oil casing (ERW Steel Pipe) and SSAW steel pipes. The annual production quantity reaches 150,000 tons of scaffolding pipe, 100,000 tons of oil casing pipe, and 200,000 tons SSAW steel pipes. At present, we have set up 8 production line for Scaffolding Pipes, 2 production line for oil casing pipe, and 4 production line for SSAW Steel Pipe. In the next coming year, we will keep investing two more production line for ERW Steel Pipes. In the next five years, we will have our own Steel Industrial Zone.


" This factory is the first production factory that Shinestar Holdings Group owns the full responsibility. We are committed to building high yield, good performance, and world-class quality steel pipes. Meet customers' increased demand and enhance competitive advantages in the international market is our final goal." Said by Shinestar Holdings Group Vice President. Tianjin Shinestar Steel Pipe Manufacturing Co., Ltd is under the Shinestar Hodings Group and defined as the most important steel pipe production factory in the north of China. Our production will in accordance with the API and ASTM international standard, the products quality will highly meet our international clients' needs. Shinestar Holdings Group will continue to adhere to international development strategy, global distribution, outstanding talent competition, and effective cost control.

Chinese Steel Industry in the next 12 month

"In the next 12 month, the Chinese steel market will be in a further deterioration situation due to the weak domestic demand in China."Moody's Investors Services Company said. Under the situation of economic slowdown in China, the investment development of real estate and infrastructure has slowdown, and also the steel manufacturing is still weakening. In addition, due to the decline rate of eliminate production capacity is slower than the rate of deceleration in demand, the profitability for Chinese steel manufacturers will be further weakened. The slowdown of domestic demand exacerbated the over capacity situation in Chinese Steel Market which lead to the Chinese steel pirice fell to the historic low.

Moody expect that in the next 12 months, Chinese domestic steel demand will decline 5%. Although the export growth can release part of pressure created by the falling domestic demand, the overall sales in the steel industry will continue to decline 3% to 4%. Due to the fall in raw material prices are no longer able to offset the steel price decline in the maket, according to the Chinese Iron and Steel Industry Association, in 2015 the profit of medium-sized steel companies has to face a loss in the previous 8 month. However, many companies keep struggling by halting production and selling other assets, which slowdown the process of reducing the production capacity in the market.

Overall, many small companies will be the first batches exit the steel market due to the financial pressure and limited resources. Moody's believes that in the next 1 to 2 years the production capacity will keep reducing and the restructuring process will keep accelerating. However, Baosteel Group Corporation, Shinestar Holdings Group and other leading companies will gain more market share due to their product strength and capacity expansion.

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