Abstract

LESCALLOY 52100 VAC ARC is a deep-hardening alloy steel used in high-performance aircraft bearings and other high-load applications where premium-quality steel is required. This grade is produced by the vacuum consumable electrode melting process and offers greatly improved cleanliness and internal soundness over conventionally air-melted bearing-quality SAE 52100. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: SA-374. Producer or source: Latrobe Steel Company.

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