Grade HB-315 is a coarse-grain tungsten carbide that delivers a strong balance of wear resistance and toughness, making it ideal for a range of metal forming operations. HB-315 is engineered for durability in tooling subjected to repeated use and moderate shock. Its performance stands out in forming applications involving steels, stainless steels, and non-ferrous alloys.
| Co (%): | 15 |
| Composition: | Tungsten Carbide, WC: 85.0 ± 0.3% Cobalt, Co: 15.0 ± 0.3% |
| Grain Structure: | Course |
| Microstructure Grain Size: (ASTM B-390) | 4 μm |
| ISO Code: | No K Designation |
| US Industry Designation: | C12 |
| WC (%): | 85 |
| Density (g/cm3): (ASTM B-311) | 14.03 ± 0.05 |
| Avg Grain Size (Micron): | 4 |
| Hardness Rockwell A (HRA): (ASTM B-294) | 87.40 ± 0.5 |
| Transverse Rupture Strength: (ASTM B-406) | 470,000 PSI |
| Sinter HIP TRS (psi): | 470,000 |
| Wear & Toughness Scale: | ![]() |
Manufactured in preforms, altered and standard blanks designs.