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NF A35-552:1986 34NCD6 Steel: Specifications & Listings

NF A35-552:1986 34NCD6: 34NCD6 is a nickel-chromium-molybdenum alloy steel designed for high strength and toughness after heat treatment. It offers good fatigue resistance, deep hardenability, and reliable performance in heavily stressed engineering components.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeNF A35-552:1986 34NCD6
Standard NF A35-552:1986
ApplicationsUsed for aircraft parts, transmission shafts, gears, crankshafts, connecting rods, and heavy-duty fasteners.
Most Active InWest (Gujarat, Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
SS 14 22 58 2258 SS 14 22 58 Sweden 0 listings, 2 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SS 14 22 58 2258 SS 14 22 58 Strong Match
BS 970 (Part 3) 817M40 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 3) 822M17 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 817A37 BS 970 (Part 1):1983 Close Alternative
NF A35-552 40NCD3 NF A35-552:1986 Close Alternative
BS 970 (Part 1) 817M40 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 817A42 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 822M17 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
0.30-0.38 0.15-0.40 0.50-0.80 1.30-1.70 1.30-1.70 0.15-0.30 0.035 max 0.035 max
Mechanical Properties
Tensile Strength 900-1100 MPa
Yield Strength 700-850 MPa
Elongation 10-14%
Hardness 270-340 HB

Popular forms for this grade:

Round Bar (2)

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NF A35-552:1986 34NCD6 Round Bar
1.100 MT
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NF A35-552:1986 34NCD6 Round Bar
1.100 MT
View RFQ