| S-7 Tool Steel | ||
| Heat treat temperature | 1725-1750 F | |
| Quench | Air or Oil | |
| Hardness | Rockwell 55c-57c | |
| Applications | S7 is good for general tooling and molding applications. It possesses high toughness and shock resistance. | |
| Disadvantages | While S7 is very tough compared to other tool steels, it doesn't have hardness comparable to the other tool steels. | |













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