Round Punches TYPE B
High performance cemented carbides for molding;Standard Specification For Square Material and Standard Specifications Of The Rings. Also we can produce the your drawing of ring.
Grade | Co% | WC Grain size | Hardness | Density | Flexural Strength | Fracture Toughness | Elastic Modulus | Coefficient of Thermal Expansion | |
HRA | HV30 | g/cm3 | MPa | N/mm2 | GPa | 10-6/℃ | |||
MD40B | 12 | Fine | 89.5 | 1380 | 14.2 | 3800 | 17 | 470 | 5.7 |
MD40C | 12 | Fine | 89.7 | 1400 | 14.1 | 3800 | 16 | 470 | 5.7 |
MD40A | 12 | Medium | 88.9 | 1310 | 14.2 | 3700 | 27 | 470 | 5.7 |
MD45A | 15 | Medium | 87.9 | 1200 | 13.9 | 3600 | - | 430 | 6.3 |