CU-4
2019-06-17 16:23:18| Steel Grade | : | CU-4 |
| Type | : | W-Ta-Nb-Co |
| Chemical Composition(％)|W | : | 71.7 |
| Chemical Composition(％)|Ti | : | — |
| Chemical Composition(％)|Ta | : | 2.7 |
| Chemical Composition(％)|Nb | : | 0.9 |
| Chemical Composition(％)|C | : | 4.7 |
| Chemical Composition(％)|Co | : | 20 |
| Density/(g/cm^3) | : | 13.4 |
| Hardness HRC | : | 86.5 |
| σbb/MPa | : | 2670 |
| Grain Size/μm | : | 1～3 |
