Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of structural welded steel pipe in China. Welcome to consult the quotation and import cheap structural welded steel pipe made in China here from our factory.
1. (ERW -Electric Resistance Welding)
2. (SAW- Submerged Arc Welding )
3. (LSAW-Longitudinally Submerged Arc Welding)
Main relevant international standards for structural welded steel pipes
1) ASTM A53 (fluid tube, water, gas, etc.)
2) ASTM A500 (structural building pipe)
3) ASTM A252 (site pile pipe)
2. European and other national standards
1) EN10219 (Cold Formed Tube)
2) EN10210 (Heat Finished Structural Tube - Hot Finished) (similar to ASTM A501)
3) BS 1387/EN10255 (fluid tube, water, gas, etc.)
4) BS 1139 and EN39 (scaffolding tube)
5) EN10240 (hot dip galvanizing standard)
6) Other standards (AS1163/EN10305/A795/SAN62/JIS G3444/BS 21/ANSI B2.1)
Seamless Steel pipe application:
Duct for conveying liquids, gas and steam
Boiler tubes and steam delivery tubes for piping, construction and steam transfer of steam boilers, including high temperature and high pressure steam
Structural tubes, widely used in aviation, automotive, tractor and other industrial sectors
Pipes for the petroleum industry, mainly used in the exploitation of oil and natural gas, such as casings, drill pipes and tubing, as well as oil refining pipes, etc.
Mechanical manufacturing pipe, which uses the steel pipe to manufacture the race of the ball bearing, the plunger of the air pump and the hydraulic pump, the rotating shaft and the body, etc
High pressure vessels for the manufacture of bottles, boilers and enclosures.
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