Elemento químico

Carburo de tungsteno Powder
| Element | Content(≤%) |
| Al | 0.0010 |
| As | 0.0010 |
| Ca | 0.0015 |
| Co | 0.0010 |
| Cr | 0.0020 |
| Fe | 0.0200 |
| Mg | 0.0020 |
| Mn | 0.0020 |
| Mo | 0.0030 |
| Na | 0.0015 |
| Ni | 0.0020 |
| Pb | 0.0005 |
| Si | 0.0015 |
| Sn | 0.0005 |

Carburo de tungsteno Powder
| Element | Content(≤%) |
| Al | 0.0010 |
| As | 0.0010 |
| Ca | 0.0015 |
| Co | 0.0010 |
| Cr | 0.0020 |
| Fe | 0.0200 |
| Mg | 0.0020 |
| Mn | 0.0020 |
| Mo | 0.0030 |
| Na | 0.0015 |
| Ni | 0.0020 |
| Pb | 0.0005 |
| Si | 0.0015 |
| Sn | 0.0005 |