| Grade |
Density g/cm³ |
T.R.S MPa |
Hardness HRA |
Performance & Application Recommended |
Approx Grades in China |
| MK6A | 14.9 | 1860 | 92.0 | Fine grade alloy with good wear resistance; used for processing blades, wear resistance parts, etc. | YG6A |
| MK8 | 14.7 | 2320 | 89.5 | High bending strength and wear resistance lower than MK6A; used for processing blades, wear resistance parts, etc. | YG8 |
| MK15 | 14.0 | 2500 | 87.5 | Used for punch dies, stamping dies and wears resistance parts. | YG15 |
| MG20 | 13.5 | 2800 | 85.5 | High bending strength; used for step dies and other stamping dies. | YG20 |
| Thickness | Width[1] | Length |
| 1.5-2.0 | 150 | 200 |
| 2.0-3.0 | 200 | 250 |
| 3.0-4.0 | 250 | 600 |
| 4.0-6.0 | 300 | 600 |
| 6.0-8.0 | 300 | 800 |
| 8.0-10.0 | 300 | 750 |
| 10.0-14.0 | 200 | 650 |
| >14.0 | 200 | 500 |
| D (mm) | Tolerance | h6 (mm) | Length (mm) | Tolerance |
| 2.20 |
+0.20 +0.30 |
2.00 | 330 |
+2.0 -0 |
| 3.20 | 3.00 | 330 | ||
| 4.20 | 4.00 | 330 | ||
| 5.20 | 5.00 | 330 | ||
| 6.20 | 6.00 | 330 | ||
| 7.20 | 7.00 | 330 | ||
| 8.20 | 8.00 | 330 | ||
| 9.20 | 9.00 | 330 | ||
| 10.20 | 10.00 | 330 | ||
| 11.20 | 11.00 | 330 | ||
| 12.20 | 12.00 | 330 | ||
| 13.30 |
+0.30 +0.40 |
13.00 | 330 | |
| 14.30 | 14.00 | 330 | ||
| 15.30 | 15.00 | 330 | ||
| 16.30 | 16.00 | 330 | ||
| 17.30 | 17.00 | 330 | ||
| 18.30 | 18.00 | 330 | ||
| 19.30 | 19.00 | 330 | ||
| 20.30 | 20.00 | 330 | ||
| 21.30 | 21.00 | 330 | ||
| 22.30 | 22.00 | 330 | ||
| 23.30 | 23.00 | 330 | ||
| 24.30 | 24.00 | 330 | ||
| 25.30 | 25.00 | 330 |
| Diameter | h6 | h7 |
| 0~3.0 mm | +0 / -0.006 mm | +0 / -0.010 mm |
| 3.001~6.0 mm | +0 / -0.008 mm | +0 / -0.012 mm |
| 6.001~10.0 mm | +0 / -0.009 mm | +0 / -0.015 mm |
| 10.001~18.0 mm | +0 / -0.011 mm | +0 / -0.018 mm |
| 18.001~30.0 mm | +0 / -0.013 mm | +0 / -0.021 mm |