GOST 454312HN3A is a carburizing alloy steel with nickel and chromium additions for high core toughness. It provides excellent fatigue resistance after case hardening.
12HN3A is a carburizing alloy steel with nickel and chromium additions for high core toughness. It provides excellent fatigue resistance after case hardening.
Applications
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.