China NAK80 P21 B40 Forge Alloy Tool Mould/Die Steel Block & Flat Bar, Find details about China Alloy steel, Steel Plate from NAK80 P21 B40 Forge Alloy Tool Mould/Die Steel Block & Flat Bar
C | Si | Mn | P | S | Ni | Mo | Cu | Al |
0.10-0.18 | ≤0.35 | 1.70-2.0 | ≤0.030 | ≤0.030 | 2.90-3.40 | 0.20-0.50 | 0.80-1.20 | 0.70-1.10 |