316 stainless steel pipe 1.standard:GB,ASTM,DINJIS 2.grade:304,304L,316,310S,317L 3.Spec:6~530*1~20mm 316 stainless steel pipeCold-Rolled 201 ... /304 Stainless Steel Pipe,Austenitis Stainless Steel ,100*100 Steel Square Pipes,Steel Plate/ Coil/ Sheet,Hairline Line Finish Steel Tubing,AISI/ASTM-A554 304 Stainless Steel ...