NF A35-565 18NCD4 Steel — Specifications & Listings

NF A35-565

18NCD4 is a nickel-chromium-molybdenum carburizing steel with excellent core toughness and high surface hardness after case hardening. It is widely used in aerospace and high-performance transmission applications.

Category: Alloy Steel

Grade Details

Grade	NF A35-565 18NCD4
Standard	NF A35-565
Description	18NCD4 is a nickel-chromium-molybdenum carburizing steel with excellent core toughness and high surface hardness after case hardening. It is widely used in aerospace and high-performance transmission applications.
Applications	Used for gears, aerospace shafts, pinions, transmission components, heavy-duty bearings, and carburized mechanical parts.

Chemical Composition (%)

C	Si	Mn	Ni	Cr	Mo	P	S
0.15-0.21	0.15-0.40	0.50-0.80	0.90-1.40	0.90-1.40	0.15-0.30	0.035 max	0.035 max

Mechanical Properties

tensile_strength	850-1100 MPa
yield_strength	650-850 MPa
elongation	10-16%
hardness	58-62 HRC (case)

Active NF A35-565 18NCD4 Listings on M-EX

No active NF A35-565 18NCD4 listings at this time.