This specification covers a low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
These products have been used typically for bearing components requiring a through-hardening steel, usually with hardness of approximately 60 HRC and section thickness under 0.50 inch (12.7 mm), but usage is not limited to such applications.
These products have been used typically for bearing components requiring a through-hardening steel, usually with hardness of approximately 60 HRC and section thickness under 0.50 inch (12.7 mm), but usage is not limited to such applications.
SAE AMS6440R History
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