... ,STD,XS,XXS Standard: ASTM,DIN,BS,ANSI,JIS,EN DIN 2458 carbon steel welded pipe with good quality :High quality,low ... /2"-48"Material: stainless steel,carbon steel,alloy steelStandard: ANSI,JIS,BS,DIN,ASME,API,GB,ectProcess: Cold Draen,Cold Rolled,EFW,ERW,Hot Rolled ... ,SAW.and so on.Structure type: seamless pipe,straight steel pipe,square pipe ...