... ,AISI,EN,DIN,BS 4.Certificate:ISO,SGS DescriptionASTM A479 316L stainless steel shaft,stainless steel barStandardASTM A276, ASTM A479,ASTM A582,JIS 4303, JIS ... G4318,GB/T1220,GB/T4226, etcMaterial304,304L,309S,310S,316,316L,317L ... any questions,pls contact me with no hesitate. ASTM A479 316L stainless steel shaft