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IS 1570 (Part 4):1988 42Cr4Mo2 Steel: Specifications & Listings

IS 1570 (Part 4):1988 42Cr4Mo2: 42Cr4Mo2: alloy steel (constructional or spring group) with specified chemical composition. Specified in IS 1570 (Part 4):1988.

Category: Alloy Steel
Grade Details
GradeIS 1570 (Part 4):1988 42Cr4Mo2
Standard IS 1570 (Part 4):1988
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 11169 (Part 1) 42Cr4Mo2 IS 11169 (Part 1):2022 India No activity yet
GOST 4543 35HM GOST 4543-2016 Russia 2 listings, 0 RFQs →
GOST 4543 40HM GOST 4543-2016 Russia 0 listings, 2 RFQs →
BS 970 (Part 3) 708M40 BS 970 (Part 3):1991 UK No activity yet
BS 970 (Part 3) 709M40 BS 970 (Part 3):1991 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
NF A35-552 42CD4 NF A35-552:1986 Strong Match
IS 5517 42Cr4Mo2 IS 5517:1993 Strong Match
JIS G4105 SCM440 JIS G4105:1979 Strong Match
EN 10083-1 42CrMo4 EN 10083-1:1991 Strong Match
EN 10083-1 42CrMo4 EN 10083-1:1996 Strong Match
EN 10083-3 42CrMo4 EN 10083-3:2006 Strong Match
UNI 7845 42CrMo4 UNI 7845:1978 Strong Match
SS 14 22 44 2244 SS 14 22 44 Strong Match
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 0.10-0.35 0.60-0.90 0.90-1.20 0.15-0.30

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