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Apache(Allegheny Ludlum) - Medium-alloy, air-hardening tool steel. Designed for blanks, forming dies, shearing knives etc. Decent wear resistance, somewhere between AISI O1 and AISI D2 tool steels. Good toughness and dimensional stability. First appeared in knives circa 1990. Used by custom makers, never seen in production knives.
Manufacturing Technology - Ingot
Country - United States(US)
NOTE - Approximate composition based on manufacturer's or standard reference information and other alloys in the same reference group is shown.
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