Knife Steel Chart Mobile:
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Air4(Bethlehem) - Cold work, medium alloy, air hardening tool steel. Working hardness for knives in 58-61HRC range. Decent toughness, dimensional stability during heat treatment, and ok wear resistance, which mostly comes form Molybdenum and Chromium carbides. It is not a corrosion resistant alloy, too little chromium in it.
Manufacturing Technology - Ingot
Country - United States(US)
- Standard Specs
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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