Stainless Steel Pipe/bar 1)Grade: 304, 304L, 316, 316L, 321 2)Standards: GB, AISI/ASTM, JIS, BS, DIN Grade(UNS):304/304L;316 ... /4" – 12.75") Wall Thickness:2mm-22mmStandards(Norm):ASTM A312, S312M, ASTM A213, ASTM A269,DIN17440,DIN17224,DIN17458ApplicationChemical and petrochemical industry, Oil and ... , Max length is 13M/43FT Packageknitting strip bundle/wooden box seamless steel pipe