carbon steel seamless pipe: Size: 1/2"-48" Thickness: SCH10-SCH160,SGP,STD,XS,XXS Standard: ASTM,DIN,BS Material:ASTM A234 carbon steel seamless pipe with good quality :Certificate:ISO9001:2000,CE.Size: 1/2"-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, ...