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IS 1570 (Part 4):1988 16Mn5Cr4 Steel: Specifications & Listings

IS 1570 (Part 4):1988 16Mn5Cr4: 16Mn5Cr4: 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 16Mn5Cr4
Standard IS 1570 (Part 4):1988
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 4367 16Mn5Cr4 IS 4367:1991 India 1 listing, 1 RFQ →
IS 11169 (Part 1) 16Mn5Cr4 IS 11169 (Part 1):2022 India No activity yet
EN 10084 16MnCrB5 EN 10084:2008 Europe No activity yet
BS 970 (Part 1) 590H17 BS 970 (Part 1):1991 UK No activity yet
BS 970 (Part 1) 590M17 BS 970 (Part 1):1983 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10084 16MnCr5 EN 10084:2008 Strong Match
EN 10084 16MnCrS5 EN 10084:2008 Strong Match
BS 970 (Part 1) 590H17 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 590M17 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 590H17 BS 970 (Part 1):1983 Strong Match
EN 10084 16MnCrB5 EN 10084:2008 Strong Match
EN 10084 17Cr3 EN 10084:2008 Close Alternative
IS 11169 (Part 1) 16Mn5Cr4 IS 11169 (Part 1):1984 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
0.14-0.19 0.10-0.35 1.00-1.30 0.80-1.10
Mechanical Properties
Tensile Strength >=790 MPa
Elongation >=10%
Izod Impact >=35 J
Condition Case hardening steel, refined and quenched, core properties

More data from IS 1570 (Part 4):1988

From the standard
Core properties, case hardening steel, refined and quenched core properties
Tensile strength, min
790 MPa
Elongation, min
10%
Izod impact, min
35 J
If core strength exceeds 1 000 MPa the ruling section may equal the test piece diameter.
Source: IS 1570 (Part 4):1988, Table 9

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