Product name ERW carbon steel pipe (HFW/HFI) Out Diameter 21.3mm-610mm, 1/2”-24” Wall Thickness 1.8mm-22mm, SCH 5S, SCH 10S, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80 etc. Length 1m-24m Standard API 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, ASTM A795, BS1387, BS1139, EN10255, EN10219, EN10217, EN39, DIN2440/2444, ISO3183, ISO11960, JISG3444, JISG3454 etc. Quality grade ...