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IS 1570 (Part 4):1988 38Cr4BT Steel: Specifications & Listings

IS 1570 (Part 4):1988 38Cr4BT: 38Cr4BT: boron treated alloy steel with specified chemical composition. Specified in IS 1570 (Part 4):1988.

Category: Alloy Steel
Grade Details
GradeIS 1570 (Part 4):1988 38Cr4BT
Standard IS 1570 (Part 4):1988
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 11169 (Part 1) 38Cr4BT IS 11169 (Part 1):2022 India No activity yet
IS 11169 (Part 1) 38Cr4Mn2BT IS 11169 (Part 1):1984 India No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 11169 (Part 1) 38Cr4Mn2BT IS 11169 (Part 1):1984 Strong Match
IS 11169 (Part 1) 38Cr4BT IS 11169 (Part 1):2022 Strong Match
BS 970 EN18C BS 970:1955 Close Alternative
BS 970 EN18 BS 970:1955 Close Alternative
IS 1570 (Part 4) 40Cr4 IS 1570 (Part 4):1988 Close Alternative
IS 11169 (Part 1) 40Cr4 IS 11169 (Part 1):1984 Close Alternative
EN 10083-1 37Cr4 EN 10083-1:1991 Close Alternative
EN 10083-1 37Cr4 EN 10083-1:1996 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 B
0.35-0.40 0.15-0.30 0.30-0.50 0.95-1.15 0.0005-0.003

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