China 1.3247/M42 Special Alloy High Speed Steel Plate & Flat Bar for Tools, Find details about China alloy steel, Steel Bars from 1.3247/M42 Special Alloy High Speed Steel Plate & Flat Bar for Tools
C | Si | Mn | P | S | Cr | V | W | Mo | Co |
1.00~1.15 | ≥0.65 | ≥0.40 | ≥0.030 | ≥0.030 | 3.50~4.50 | 0.95~1.35 | 1.15~1.85 | 9.0~10.0 | 7.50~8.50 |