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BS 970 (Part 1) 210A15 vs BS 970 (Part 1) 210M15

Strong Match — 98.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 210A15 (BS 970 (Part 1):1991) and BS 970 (Part 1) 210M15 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Free Machining Steel category. BS 970 (Part 1) 210A15 is typically used for case hardening steel (section four), while BS 970 (Part 1) 210M15 is commonly used for case hardening steel (section four). BS 970 (Part 1) 210A15 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 210M15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 210A15 vs BS 970 (Part 1) 210M15 is a 97.6% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 98.4%.

Frequently Compared With BS 970 (Part 1) 210A15:
IS 4432 10C8S10 SAE J403 1117 SAE J403 1126 IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1132 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
97.6%
MECHANICAL MATCH
100%
OVERALL
98.4%
Specifications
Property BS 970 (Part 1) 210A15 BS 970 (Part 1) 210M15
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1991
Category Free Machining Steel Free Machining Steel
C (%) 0.13-0.18 0.12-0.18
Mn (%) 0.90-1.20 0.90-1.30
S (%) 0.10-0.18 0.10-0.18
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 210A15 BS 970 (Part 1) 210M15
Condition Case hardened, 19 mm test bar Case hardened, 19 mm test bar
Tensile Strength 460 MPa min 460 MPa min
Elongation 16 % min 16 % min
Typical Applications
BS 970 (Part 1) 210A15
Case hardening steel (section four)
BS 970 (Part 1) 210M15
Case hardening steel (section four)
Can BS 970 (Part 1) 210A15 Be Substituted With BS 970 (Part 1) 210M15?
BS 970 (Part 1) 210A15 and BS 970 (Part 1) 210M15 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 210M15 is often considered as a substitute for BS 970 (Part 1) 210A15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 (Part 1) 210A15
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BS 970 (Part 1) 210M15
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 210A15 and BS 970 (Part 1) 210M15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 1) 210A15 be substituted with BS 970 (Part 1) 210M15?
BS 970 (Part 1) 210A15 and BS 970 (Part 1) 210M15 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 210M15 is often considered as a substitute for BS 970 (Part 1) 210A15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.