... OD: 6mm-2500mm thickness: 1mm-150mm Standard :JIS ASTM 304L 316 316L 317 317L 304 Stainless steel welded pipe 1.Material ... ,304,304L,304N,305,308,309,309S,310,310S,314,316,316L, 316Ti,316Nb,316N,316LN,317,321,347,405,429 ... QQ:907000888Contact person: Sunny GaoWebsite: www.cg-steel.com 2013 High Quality 304L 316 316L 317 317L 304 Stainless steel welded pipe