... 1)Standard: AISI,ASTM,GB,DIN,JIS 2)Thickness 0.5mm---80mm 3)Diameter 10mm-1000mm Large diameter thick wall ... pipes 1)Standard: AISI,ASTM,GB,DIN,JIS 2)Length:6000mm 3)Thickness 0.5mm---80mm 4)Diameter 10mm-1000mmSeamless steel ... St35N1.0356SEW680(06A1NbCuN)STPL46STBLG3460G3464A333-3.4A334-3.410Ni141.5637SEW680(20Mn23A1) A333-8A334-8X8Ni91.5662SEW680 large diameter thick wall steel pipe 24 inch SCH80