(AISI Type M42)
(UNS T11342)
Nominal Analysis
1.10 C, 0.006 S, 3.75 Cr, 9.50 Mo, 1.15 V, 1.50 W, 8.25 Co, Bal. Fe
A super-high-speed tool steel possessing a hardness capability of Rockwell C
68/70. The alloy has been used for cutting tools for the toughest machining
operations.
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