HFW ERW Steel Pipe Factory in China
Tianjin Shenzhoutong Steel Pipe Co., Ltd. is one of the leading HFW ERW Steel Pipe Factory in China.
We have six production lines of HFW ERW steel pipes. The annual capacity is about 500000 tons.
We have acheived many certificates like: API 5L , API 5CT , CE.
Products Description
Product | ERW Steel Pipe, HFW Steel pipe | |
Process | Electrical Resistance Weld | |
Production Stardard | API 5L , API 5CT, ASTM A53 , ASTM A36, ASTM A500, EN10219 | |
Size Range | OD 1/2"-26"(21.3-660mm), Thickness 0.055"-1.602"(1.65-26.97mm) | |
Pipe Length | 5.8m, 6m,12m,as requirment | |
Pipe Ends | Plain, Bevel, Threading and coupling, Grooved | |
Surface Treatment | bare, black paint, anti-rust oil,galvanized , FBE, epoxy,3PE , 3PP | |
Application | oil , gas, water transportations, industires, Structure. Piling | |
manufacturing process
---Coil receipt and inspection---Coil slitting--Recoiling after slitting---Coil Uncoiling and joining
---Coil Leveling--Forming---High frequency welding---Trimming flash---Heat treatment---Air Cooling
---Sizing--- Cutting to length---Inspection and testing sampling --- Hydrostatic testing
---Final Auto UT on welding seam---Manual UT at pipe ends
---Laboratory test - Chemical analysis--- Mechanical Test-- Final dimension inspection
