Showing posts with label structural steel pipe. Show all posts
Showing posts with label structural steel pipe. Show all posts

2016/01/14

Developing Steel Construction can Resolve the Overcapacity



On Januaray 8th and 9th, The Committee of Steel Structure Experts in China has hold the annual meeting in Wuhan, Hubei Province. More than 200 steel structure experts get together and discussion the current steel industry in China. They proposed to develop steel construction so as to defuse the current serious excess steel production capacity. The characteristic ofsteel construction is light, fast ,better and cheaper to use, the experts believes that structural steel is the most suitable for building industrial steel building construction.

During the meeting, the multi-site large-span grid structure is strongely suggested. Also, in order to facilitate the production of prefabrication, a six tetrahedral units of reticulated spherical shell is brough up. According to the latest reportes, eighty percent of steel building components can be processed in the factory, at the same time it is easy to dismantled. Moreover, some products and materials can be reused and recycled. Compared to the traditional concrete construction, steel construction can reduce 40% of weight, increase four times of construction efficiency, shortened 1/3 construction period, reduce 35% of carbon emissions, and also increase 5% of room rate. Therefore, steel structure is more popular in the developed countries.

Statistics showed that in the last five years, the amount of steel construction in China is 30 to 50 million tons which is accounting for 5% of steel production totally in Chinese Steel Industry. However, compared with other developed countries, it is very obvious that in China the steel construction application is still in a very low level. The steel construction proportion is over 45% in United State, 28% in Japan, 22% in Germany. Academicians in this meeting believe that developing steel construction can resolve the overcapacity in the Chinese Steel Industry, also it cvan promote the construction of industrialization, to achieve the transformation and upgrading of traditional industries.


Structural Steel Pipe Introduction



Structural Steel Pipe can accommodate many different applications including bollards and bumper posts, structural columns, shoring, fencing, piling, racks and rollers. Structural Steel Pipe mainly used for factories, bridges, ships and other structures. Structure Steel Pipe includes various seamless steel pipe or welded steel pipe for structure, pile pipe, large diameter seamless steel pipe, large diameter submerged arc welded steel pipe, large diameter seamless steel pipe, large diameter thick wall thickness steel pipe etc. 















2015/12/17

Structural Steel Pipe Standard

Structural Steel Pipe can accommodate many different applications including bollards and bumper posts, structural columns, shoring, fencing, piling, racks and rollers. Structural Steel Pipe
mainly used for factories, bridges, ships and other structures. Structure Steel Pipe includes various seamless steel pipe or welded steel pipe for structure, pile pipe, large diameter seamless
steel pipe, large diameter submerged arc welded steel pipe, large diameter seamless steel pipe, large diameter thick wall thickness steel pipe etc.

STANDARD:

Chinese National Standard: GB/T8162

American Society for Testing and Materials Standard: ASTM A53

American Boiler and Pressure Vessel Code: ASME SA53

STEEL GRADE: 10 ,20 ,35, 45, Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A, SA53B


Seamless Steel Pipe for Structure:

Seamless Steel Pipe for Structure is used seamless steel pipes or seamless steel tubes for general structure and mechanical structure. For the manufacturer of pipes, containers,
equipment, fittings and mechanical structure seamless steel pipe.
Specification:
Outside Diameter: 10.3mm ~ 1013mm
Wall Thickness: 1.7mm ~ 52mm



Welded Steel Pipe for Structure:

Welded steel pipe used in steel structures, bridges, support, building structure pipe, pile pipe. Since the structure steel pipe or structure steel tube requires a lot of pressure.
Structural steel pipe requires high pressure capabilities which means only the steel pipes has greater wall thickness (> 8mm) can be applied as structure steel pipe.
Type of Pipes:
1. LSAW Steel Pipe - Logitudinal Submerged Arc Welded Steel Pipe
2. SSAW Steel Pipe - Spiral Submerged Arc Welded Steel Pipe
3. SAWH Steel Pipe - Submerged Arc Welded Helical Steel Pipe
Specification:
LSAW Steel Pipe: Outside Diameter: 406mm ~ 1625mm, Wall Thickness: 6.0mm ~ 75mm
SSAW Steel Pipe/SAWH Steel Pipe: Outside Diameter: 219mm ~ 4064mm, Wall Thickness: 3.2mm ~ 40mm