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BS 970 (Part 1):1983 210A15 Steel: Specifications & Listings

BS 970 (Part 1):1983 210A15: 210A15 is a case hardening free-cutting carbon manganese steel grade specified in BS 970 Part 1:1983 (Table 11, category 2). Section three of the standard advises that category 1 steels be used for new designs and established designs whenever possible.

Category: Free Machining Steel
Grade Details
GradeBS 970 (Part 1):1983 210A15
Standard BS 970 (Part 1):1983
ApplicationsCase hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 3) 14C14S14 IS 1570 (Part 3):1979 India No activity yet
SAE J403 1117 SAE J403:2001 USA No activity yet
BS 970 (Part 1) 210M15 BS 970 (Part 1):1991 UK No activity yet
BS 970 (Part 1) 210A15 BS 970 (Part 1):1991 UK No activity yet
BS 970 (Part 1) 214A15 BS 970 (Part 1):1991 UK No activity yet
BS 970 EN7 BS 970:1955 UK No activity yet
BS 970 EN7A BS 970:1955 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 210A15 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 210M15 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 210M15 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 214A15 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 214A15 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 214M15 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 214M15 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 3) 210M15 BS 970 (Part 3):1991 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 Mn S P
0.13-0.18 0.90-1.20 0.10-0.18 <=0.050

More data from BS 970 (Part 1):1983

From the standard
Other composition limits
Phosphorus and sulphur
P 0.050 max where not otherwise printed (clause 1.7.2.1, carbon and carbon manganese steels)
Residual elements: see clause 1.7.3.
Source: BS 970 (Part 1):1983, clause 1.7.2.1
Mechanical properties, test bar
Test bar diameter (mm)Rm min (N/mm2)A min (%)Izod min (ft lbf)KCV min (J)
13490163035
19 (note 28, preferred size)460163035
29430183035
Values as printed in Table 11 for the test bar diameter shown. 1 N/mm2 = 1 MPa.
Source: BS 970 (Part 1):1983, Table 11
Comparison with earlier editions
BS 970:1970/72 designation
210A15
BS 970:1955 En No.
None
Appendix D note 47: where a comparison is made the steels are not necessarily equivalent. 'Not listed' means the earlier edition has no entry under this designation.
Source: BS 970 (Part 1):1983, Appendix D

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