... :1.Stainless steel PIPE2.stainless steel BAR3.ISO9001-20004.cold drawn OD (Round bar)Size (Square bar)Size (Flat Bar)Size (hexagon ba Bar) Size(Angle bar) 3 ... ,316L,321,410,420 ect. CertificationISO Mill Test CertificateStandardJIS,SUS,AISI,ASTM,GB,DIN,etc. Material201/202.304/304H/309/309H ...