NF A35-552:1986 42CD4 Steel: Specifications & Listings

NF A35-552:1986 42CD4: French chrome molybdenum alloy steel, equivalent to 42CrMo4

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeNF A35-552:1986 42CD4
Standard NF A35-552:1986
ApplicationsGears, shafts, crankshafts, high tensile fasteners
Most Active InCentral (Chhattisgarh)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10083-3 42CrMo4 EN 10083-3:2006 Europe 21 listings, 22 RFQs →
BS 970 EN19 BS 970:1955 UK 19 listings, 15 RFQs →
SAE J404 4140 SAE J404:2009 USA 16 listings, 17 RFQs →
JIS G4105 SCM440 JIS G4105:1979 Japan 0 listings, 3 RFQs →
SAE J404 4142 SAE J404:2009 USA No activity yet
SAE J404 4140 SAE J404:2000 USA No activity yet
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Shortage
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 1570 (Part 4) 42Cr4Mo2 IS 1570 (Part 4):1988 Strong Match
BS 970 (Part 3) 708M40 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 708M40 BS 970 (Part 1):1991 Strong Match
SAE J404 4140 SAE J404:2009 Strong Match
SAE J404 4142 SAE J404:2009 Strong Match
SAE J404 4140 SAE J404:2000 Strong Match
SAE J404 4142 SAE J404:2000 Strong Match
BS 970 (Part 3) 709M40 BS 970 (Part 3):1991 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 Cr Mo
0.38–0.45 0.15–0.35 0.60–0.90 0.90–1.20 0.15–0.30
Mechanical Properties
Tensile Strength 900–1100 MPa
Yield Strength ≥700 MPa
Elongation ≥12%
Hardness 263–313 HB
Typical Available Sizes
Round Bar 16mm–300mm dia
Flat Bar 20×8mm–200×60mm
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Round Bar (3)

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NF A35-552:1986 42CD4 Round Bar
2.200 MT
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NF A35-552:1986 42CD4 Round Bar
2.500 MT
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NF A35-552:1986 42CD4 Round Bar
3.500 MT
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