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BS 970 (Part 1):1991 897M39 Steel: Specifications & Listings

BS 970 (Part 1):1991 897M39: 897M39 is a alloy nitriding steel specified in BS 970 Part 1:1991.

Category: Alloy Steel
Grade Details
GradeBS 970 (Part 1):1991 897M39
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) 897M39 BS 970 (Part 1):1983 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 897M39 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 5517 40Cr13Mo10V2 IS 5517:1993 Close Alternative
BS 970 (Part 1) 720M32 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 3) 722M24 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 720M32 BS 970 (Part 1):1983 Close Alternative
DIN 17200 30CrMoV9 DIN 17200:1986 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
0.35-0.43 0.45-0.70 3.00-3.50 0.80-1.10

More data from BS 970 (Part 1):1991

From the standard
Other composition limits
Designation as printed
897M39
Other limits
P 0.025 max., S 0.025 max.; V 0.15-0.25; 4 x P + Sn <0.10 %
Alloy steel for surface hardening by nitriding. Residual-element limits as printed.
Source: BS 970 (Part 1):1991, Table 4

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