... Chemical Composition of Material Material Composition201202304316430C≤0.15≤0.15≤0.08≤0.08≤0.12Si≤1.00≤1.00≤1.00 ... 2.00≤1.00P≤0.06≤0.06≤0.045≤0.045≤0.040S≤0.03≤0.03≤0.030≤0.030≤0.030Cr16-1817-1918-2016 ... ,±0.3mm; ≥30mm, ±1%b) Thickness: <2mm, ±0.2; ≥2mm, ±10%c) Length: D≤50, L≤7000,0±7mm, L>7000,0±15mm,D ... >50, L≤7000,0±10mm, L>7000,0±15mmSurface180G, 320G, ...