
The SciencesMarch 1, 1929
Super-High-Speed Alloy
New Tool Metal, Next to the Diamond In Hardness, Solves Many Machining Problems

Super-High-Speed Alloy
New Tool Metal, Next to the Diamond In Hardness, Solves Many Machining Problems

Manganese Alloys in Open-Hearth Steel Practice
How Much of this Element, and in What Form, Represents the Best Usage?