
| Grade | Chemical compnent | Density g/cm³ ≥ |
Hardness HB Kgf/mm2 ≥ |
electrical resistivity μΩ.cm ≤ |
electric conductivity %IACS≥ |
Flexure strength MPa≥ |
| W50 | Cu50% W50% | 11.85 | 115 | 3.2 | 54 | -- |
| W55 | Cu45% W55% | 12.30 | 125 | 3.5 | 49 | -- |
| W60 | Cu40% W60% | 12.75 | 140 | 3.7 | 47 | -- |
| W65 | Cu35% W65% | 13.30 | 155 | 3.9 | 44 | -- |
| W70 | Cu30% W70% | 13.80 | 175 | 4.1 | 42 | 790 |
| W75 | Cu25% W75% | 14.50 | 195 | 4.5 | 38 | 885 |
| W80 | Cu20% W80% | 15.15 | 220 | 5.0 | 34 | 980 |
| W85 | Cu15% W85% | 15.90 | 240 | 5.7 | 30 | 1080 |
| W90 | Cu10% W90% | 16.75 | 260 | 6.5 | 27 | 1160 |

| Grade | Chemical compnent | Density g/cm³ ≥ |
Hardness HB Kgf/mm2 ≥ |
electrical resistivity μΩ.cm ≤ |
electric conductivity %IACS≥ |
Flexure strength MPa≥ |
| W50 | Cu50% W50% | 11.85 | 115 | 3.2 | 54 | -- |
| W55 | Cu45% W55% | 12.30 | 125 | 3.5 | 49 | -- |
| W60 | Cu40% W60% | 12.75 | 140 | 3.7 | 47 | -- |
| W65 | Cu35% W65% | 13.30 | 155 | 3.9 | 44 | -- |
| W70 | Cu30% W70% | 13.80 | 175 | 4.1 | 42 | 790 |
| W75 | Cu25% W75% | 14.50 | 195 | 4.5 | 38 | 885 |
| W80 | Cu20% W80% | 15.15 | 220 | 5.0 | 34 | 980 |
| W85 | Cu15% W85% | 15.90 | 240 | 5.7 | 30 | 1080 |
| W90 | Cu10% W90% | 16.75 | 260 | 6.5 | 27 | 1160 |