1, high level mold steel P20 2, Hardness: HRC=28--33 3, HBS<=235 4, Usage: plastic mould, 5, Advantage: Nice high level mold ... steel P201. Size:RoundDiameterLength50mm-600mm2000mm-5800mmSteel plateThicknessWidthLength20-400mm185-2200mm2000mm-5800mm 2. Delivery Condition: 1. Hot rolled , black ... .28-0.400.20-0.801.40-2.000.60-1.000.30-0.55≤0.03≤0.03 5. Compared ...