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IS 1570 (Part 4):1988 47C15 Steel: Specifications & Listings

IS 1570 (Part 4):1988 47C15: 47C15: alloy steel (constructional or spring group) with specified chemical composition. Specified in IS 1570 (Part 4):1988.

Category: Carbon Steel
Grade Details
GradeIS 1570 (Part 4):1988 47C15
Standard IS 1570 (Part 4):1988
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 11169 (Part 1) 37C15 IS 11169 (Part 1):1984 India No activity yet
SAE J403 1547 SAE J403:2014 USA No activity yet
BS 970 (Part 3) 150M36 BS 970 (Part 3):1991 UK No activity yet
BS 970 (Part 1) 135M44 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 150M40 BS 970 (Part 1):1983 UK No activity yet
SAE J403 1548 SAE J403:2014 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 11169 (Part 1) 37C15 IS 11169 (Part 1):1984 Strong Match
SAE J403 1547 SAE J403:2014 Strong Match
BS 970 (Part 3) 150M36 BS 970 (Part 3):1991 Strong Match
SAE J403 1547 SAE J403:2001 Strong Match
SAE J403 1547 SAE J403:2009 Strong Match
BS 970 (Part 1) 135M44 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 150M40 BS 970 (Part 1):1983 Strong Match
SAE J403 1548 SAE J403:2014 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
0.42-0.50 0.10-0.35 1.30-1.70
Mechanical Properties
Tensile Strength 890-1090 MPa
Yield Strength >=740 MPa
Condition Sheet and strip, hardened and tempered or cold rolled and tempered

More data from IS 1570 (Part 4):1988

From the standard
Tensile limits, steel sheet and strip 3 conditions
ConditionTensile strength (MPa)0.2 % proof stress, min (MPa)Brinell hardness (HBS)
Softened--max 230
Hardened and tempered or cold rolled and tempered890-1090740-
Hardened and tempered1140-1340990-
Source: IS 1570 (Part 4):1988, Table 10

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