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BS 970 (Part 1):1991 720M32 Steel: Specifications & Listings

BS 970 (Part 1):1991 720M32: 720M32 is a alloy nitriding steel specified in BS 970 Part 1:1991.

Category: Alloy Steel
Grade Details
GradeBS 970 (Part 1):1991 720M32
Standard BS 970 (Part 1):1991
ApplicationsSteel for surface hardening by nitriding (section three)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
BS 970 (Part 1) 720M32 BS 970 (Part 1):1983 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 720M32 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 722M24 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 1) 722M24 BS 970 (Part 1):1983 Close Alternative
IS 11169 (Part 1) 25Cr13Mo6 IS 11169 (Part 1):1984 Close Alternative
IS 5517 25Cr13Mo6 IS 5517:1993 Close Alternative
IS 5517 15Cr13Mo6 IS 5517:1993 Close Alternative
BS 970 (Part 1) 897M39 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 3) 722M24 BS 970 (Part 3):1991 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 Mn Cr Mo
0.28-0.35 0.40-0.70 2.80-3.30 0.40-0.60

More data from BS 970 (Part 1):1991

From the standard
Other composition limits
Designation as printed
720M32
Alloy steel for surface hardening by nitriding. Residual-element limits as printed.
Source: BS 970 (Part 1):1991, Table 4

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