... thickness: 1mm-150mm Standard :JIS ASTM 304L 316 316L 317 317L 304 Stainless steel welded pipe 1.Material:201,202,302,304 ... ,429,430,444,446,410,420,431 2.Standards:AISI,ASTM,GB, JIS, DIN 3.Process method: cold drawn/cold pilgered ... QQ:907000888Contact person: Sunny GaoWebsite: www.cg-steel.com 2013 High Quality 304L 316 316L 317 317L 304 Stainless steel welded pipe