類別 | 牌號 | 化學(xué)成分 w/% | 硬度(HRA) | 抗彎強(qiáng)度/MPa | |||
WC | Ti | TaC | Co | 不小于 | |||
鎢鈷類硬質(zhì)合金 | YG3X | 96.5 | — | <0.5 | 3 | 91.5 | 1079 |
YG6 | 94.0 | — | — | 6 | 89.5 | 1422 | |
YG8C | 92.0 | — | — | 8 | 88.0 | 1716 | |
YG15 | 85.0 | — | — | 15 | 87.0 | 2100 | |
鎢鈦鈷類硬質(zhì)合金 | YT5 | 85.0 | 5 | — | 10 | 89.5 | 1373 |
YT15 | 79.0 | 15 | — | 6 | 91.0 | 1150 | |
YT30 | 66.0 | 30 | — | 4 | 92.5 | 883 | |
通用合金 | YW1 | 84~85 | 6 | 3~4 | 6 | 91.5 | 1177 |
YW2 | 82~83 | 6 | 3~4 | 8 | 90.5 | 1324 |
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