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BS 970 (Part 1) 635A14 vs BS 970 (Part 1) 805A17

Close Alternative — 79.1% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 635A14 (BS 970 (Part 1):1991) and BS 970 (Part 1) 805A17 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 635A14 is typically used for case hardening steel (section four), while BS 970 (Part 1) 805A17 is commonly used for case hardening steel (section four). BS 970 (Part 1) 635A14 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 805A17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 635A14 vs BS 970 (Part 1) 805A17 is a 68.6% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 79.1%.

Frequently Compared With BS 970 (Part 1) 635A14:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
68.6%
MECHANICAL MATCH
100%
OVERALL
79.1%
Specifications
Property BS 970 (Part 1) 635A14 BS 970 (Part 1) 805A17
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.17 0.15-0.20
Mn (%) 0.70-0.90 0.70-0.90
Cr (%) 0.50-0.75 0.40-0.60
Mo (%) <=0.10 0.15-0.25
Ni (%) 0.70-1.00 0.40-0.70
P (%) Not specified <=0.035
S (%) Not specified <=0.035
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) 635A14 BS 970 (Part 1) 805A17
Condition Case hardened, 19 mm test bar Case hardened, 19 mm test bar
Tensile Strength 770 MPa min 770 MPa min
Elongation 12 % min 12 % min
Typical Applications
BS 970 (Part 1) 635A14
Case hardening steel (section four)
BS 970 (Part 1) 805A17
Case hardening steel (section four)
Key Differences
Can BS 970 (Part 1) 635A14 Be Substituted With BS 970 (Part 1) 805A17?
BS 970 (Part 1) 635A14 and BS 970 (Part 1) 805A17 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) 635A14
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BS 970 (Part 1) 805A17
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 635A14 and BS 970 (Part 1) 805A17?
BS 970 (Part 1) 805A17 specifies P, S which are not specified for BS 970 (Part 1) 635A14.
Can BS 970 (Part 1) 635A14 be substituted with BS 970 (Part 1) 805A17?
BS 970 (Part 1) 635A14 and BS 970 (Part 1) 805A17 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.