Post Stock Login Register

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
Standard NF A35-565
ApplicationsUsed for gears, aerospace shafts, pinions, transmission components, heavy-duty bearings, and carburized mechanical parts.
Most Active InWest (Maharashtra, Gujarat)
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 3) 815M17 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 3) 822M17 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 3) 820M17 BS 970 (Part 3):1991 Close Alternative
SAE J404 8617 SAE J404:2009 Close Alternative
SAE J404 8617 SAE J404:2000 Close Alternative
BS 970 (Part 3) 805M17 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 815M17 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 815H17 BS 970 (Part 1):1983 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
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)

Popular forms for this grade:

Round Bar (2)

Active NF A35-565 18NCD4 Listings on M-EX (For Sale)

+ Create a Listing for this grade

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

Register for Alerts

Buyer RFQs for NF A35-565 18NCD4

+ Post an RFQ for this grade
NF A35-565 18NCD4 Round Bar
2.500 MT
View RFQ
NF A35-565 18NCD4 Round Bar
4.300 MT
View RFQ