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NF A35-565 18NCD4 Steel - Specifications & Listings

NF A35-565 18NCD4: 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.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeNF A35-565 18NCD4
StandardNF A35-565
Description18NCD4 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.
ApplicationsUsed for gears, aerospace shafts, pinions, transmission components, heavy-duty bearings, and carburized mechanical parts.
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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)

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NF A35-565 18NCD4 Round Bar
3.700 MT
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NF A35-565 18NCD4 Round Bar
2.600 MT
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