1.It is mainly used to produce drill, tap, and turning tools saw bit and high efficiency wood tool.
2.It is an economical low alloy high-speed steel with Good red hardness, goodtoughness and thermal plasticity. It is General used soft and moderate intensity metal.
| GB | JIS | ASTM |
| W4Mo3Cr4Vsi | --- | --- |
| EN | BOHLER | ERASTEEL |
| --- | --- | --- |
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