Grades | Co% | Grain size | Hardness | Density | Flexural strength Mpa | Elastic Modulus Gpa | Impact Toughmess J/cm2 | Aapplications |
(HRA)±0.5 | (g/cm³)±0.1 | |||||||
HG6 | 15% | 2 | 86.5 | 13.95 | 3000 | 440 | 6.4 | Suitsblr for engineering teeth, cold forging die, with high wear and impact resistance |
HG7 | 18% | 2 | 85 | 13.75 | 2800 | 410 | 7.4 | |
HD9 | 24% | 2 | 82 | 13.10 | 2800 | 340 | 10 | |
HD11 | 21% | 2 | 84.5 | 13.45 | 2800 | 340 | 8.2 | Suitable for strict requirement cold forging area, with high toughness, impact resistance and heat resistance |
HD12 | 24% | 2 | 82.5 | 13.15 | 2800 | 340 | 10.4 |