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IS 1570 (Part 4):1988 30Cr4Mo2 Steel: Specifications & Listings

IS 1570 (Part 4):1988 30Cr4Mo2: 30Cr4Mo2: 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 30Cr4Mo2
Standard IS 1570 (Part 4):1988
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
JIS G4053 SCM430 JIS G4053:2008 Japan 1 listing, 1 RFQ →
SAE J404 4130 SAE J404:2009 USA 2 listings, 0 RFQs →
DIN 17200 30CrMo4 DIN 17200:1986 Germany 2 listings, 0 RFQs →
GB/T 3077 30CrMo GB/T 3077:2015 China No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SAE J404 4130 SAE J404:2009 Strong Match
SAE J404 4130 SAE J404:2000 Strong Match
DIN 17200 30CrMo4 DIN 17200:1986 Strong Match
JIS G4105 SCM430 JIS G4105:1979 Strong Match
GB/T 3077 30CrMo GB/T 3077:2015 Strong Match
JIS G4053 SCM430 JIS G4053:2008 Strong Match
BS 970 (Part 1) 708A30 BS 970 (Part 1):1983 Close Alternative
GOST 4543 35HM GOST 4543-2016 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
0.28-0.33 0.10-0.35 0.40-0.80 0.80-1.10 0.15-0.28

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