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Alloys

4340 Alloy Steel is a chrome nickel moly that comes in a variety of forms and conditions, it is widely used for high stress parts. Exhibits high fatigue strength in large cross sections, excellent transverse ductility and toughness at high strength levels. UNS G43406. VAR (CEVM) Consumable Electrode Vacuum Melted. 4330M – 4330V MOD.