... stainless steel pipes: 1) Commodity:AISI seamless stainless tube 2) Type:Austenitic stainless steel seamless pipe 3) Size :6~630(OD ... grade,TP321,TP317L,TP347,TP310 and so on. 5) Standard:ASTM A312 /213/269, DIN2448/2458, JIS G3459/3463, ... Stainless steel,stainless steel pipe,stainless steel seamless pipe,stainless steel tube,stainless steel seamless tube,stainless steel round/square bar,stainless ...