Standard: GB, ASTM, API Outer Diameter: 16 - 460 mm Thickness: 3- 60 mm Type seamless steel pipePipe Size1/2"—48" (DN15-1200)Wall ThicknessSCH10 ... , 6.0 ,11.8 , 12.0m. Random length: 5-12mStandardASTM A53,A106,API 5L,ASME B36.10M-1996DIN1626,DIN1629,DIN17175,DIN ... experience, sincere service4. Reliable forwarder, 2-hour away from port. ASTM A 53 hot-rolled seamless steel pipe