1.Item:stainless steel shaft 2.Dia:2mm~600mm 3.Standard:ASTM,AISI,EN,DIN, ... 4.Certificate:ISO,SGS 5.Material:304,316,316l Descriptionstainless steel shaft,stainless steel barStandardASTM A276, ASTM A479,ASTM A582,JIS 4303, JIS ... have any questions,pls contact me with no hesitate. stainless steel shaft