304 stainless steel seamless pipe,Out side:2mm-800mm * SCH 0.5mm-80mm. ... :ASTM A312,A213,A269,GB,DIN 1) Commodity: Seamless austenitic stainless steel pipes /welding pipe2) Process method: Cold drawn/cold pilgered /cold ... /316L dual grade, TP321, TP347,201,202,301,302,303,304,3165) Standards: ASTM (ASME) SA/A312 ASTM376,GB14976,GB5310,GB9948 ...