We are a Professional manufacturer of straight seam welded steel pipe ,the straight seam welded pipe include LSAW,ERW,SAWL,EFW. LSAW is the abbreviation of straight seam l Submerged-arc Welded Steel Pipe, LSAW is also named SAWL,ERW is the abbreviation of straight seam high frequency electrofusion ( resistance ) welded pipe, ERW is also named EFW. we can be produced diameter from 4” to 60”, wall thickness from 5 mm to 98 mm, the Standard: API5L, ASTM A53, ASTM A252, EN10025, EN10217, ASTM A500, ASTM A 519, ASTM A530,etc , the Steel Grade: A, B, X42, X52, X60, X65, X70, X80,S355，S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52， the pipe applications include straight pipe of onshore and offshore conveyance of natural gas, straight welded pipe of shale gas, the conveyance pipe of oil, petrifaction pipe line, line pipe of town gas, pipe of water and coal slurry, straight welded Steel Pipe pile, LSAW anti corrosion coating, LSAW For Epoxy Coated , straight welded pile pipe,ERW pipe line, ERW line pipe , welded steel pipe of fusion Bond Epoxy, SAWL welded pipe of 3-layers PE ,ASTM A671, CC70 CL22 ,, steel pipe of Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures ,EFW steel pipe pile,fluid conveying purpose pipe,EN10025 welded steel pipe, EN10217 welded pipe .
the company has its own independent testing center, within the ultrasonic testing, hydrostatic testing, eddy current testing, metallurgical analysis, universal testing instrument (mechanical performance detection), intergranular corrosion test, carbon and sulfur analyzer, spectrum analyzer, large hardness meter, impact test equipment to facilitate customer acceptance testing on the spot.
We always insist on the principle: Supply the prime products and offer perfect service to customer depend on our professional work team and rich experience.