1)Commodity:Stainless Steel Welded Pipe 2))Material: 304,316L,304L,316,321,310S,etc 3)Thickness: 0.5mm-20mm 4)Length: 1m-12m Stainless Steel Welded pipeMaterial Grade 304,304L,316 ,316L,321,310S and so onStandard ASTM A312, A554, A249, A269 and A270.ect DIN 17456-85 , DIN 17458-85, DIN 17459-92.ect JIS G3446-1994, JIS G3448-1997, JIS G3459-1997, JIS G3463-1994,ect. GB13296-1991, GB14975-2002, ...