stainless steel welding steel pipe Carry out the standard:ASTM A312 A778 A554 A270 A249 Material card number:304304 L316 L Product specification:1/2"-8" Thickness grade:SCH5SSCH10SSCH40S Method of payment:Can't the repeal letter of credit or bank telegraphic transfer Each length:5.8 meters6.0 meters or specify the size Pack the way:Bale or consultation The corporation has passed through ISO9001: The 2000 quality managements systems are legalized, and PED's material of European Free Trade Association pressure equipment instruction is legalized.