stainless steel pipe 1,we use the first grade material in China. 2,advanced testing equipment. 3,competitive price . Specifications1)Commodity:welded Stainless Steel Tube 2))Material: 304,316L,304L,316,321,310S,etc 3)Thickness: 0.5mm-20mm 4)Length: 1m-12m Welded Stainless Steel TubeMaterial Grade 304,304L,316 ,316L,321,310S and so on.Standard ASTM A312, A554, A249, A269 and A270.ect DIN 17456-85 ...