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BS 970 (Part 1) 523M15 vs BS 970 (Part 1) 590H17

Close Alternative — 81.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 523M15 (BS 970 (Part 1):1991) and BS 970 (Part 1) 590H17 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 523M15 is typically used for case hardening steel (section four), while BS 970 (Part 1) 590H17 is commonly used for case hardening steel (section four). BS 970 (Part 1) 523M15 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 590H17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 523M15 vs BS 970 (Part 1) 590H17 is a 81.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 81.4%.

Frequently Compared With BS 970 (Part 1) 523M15:
IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4
Match Breakdown
CHEMISTRY MATCH
81.4%
MECHANICAL MATCH
No shared data
OVERALL
81.4%
Specifications
Property BS 970 (Part 1) 523M15 BS 970 (Part 1) 590H17
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.14-0.20
Mn (%) 0.30-0.60 1.00-1.30
Cr (%) 0.30-0.60 0.80-1.10
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) 523M15 BS 970 (Part 1) 590H17
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 620 MPa min Not specified
Elongation 13 % min Not specified
Typical Applications
BS 970 (Part 1) 523M15
Case hardening steel (section four)
BS 970 (Part 1) 590H17
Case hardening steel (section four)
Can BS 970 (Part 1) 523M15 Be Substituted With BS 970 (Part 1) 590H17?
BS 970 (Part 1) 523M15 and BS 970 (Part 1) 590H17 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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BS 970 (Part 1) 523M15
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BS 970 (Part 1) 590H17
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 523M15 and BS 970 (Part 1) 590H17?
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) 523M15 be substituted with BS 970 (Part 1) 590H17?
BS 970 (Part 1) 523M15 and BS 970 (Part 1) 590H17 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.