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BS 970 (Part 1) 635A14 vs BS 970 (Part 1) 808H17

Close Alternative — 70.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 635A14 (BS 970 (Part 1):1991) and BS 970 (Part 1) 808H17 (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) 808H17 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) 808H17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 635A14 vs BS 970 (Part 1) 808H17 is a 70.4% 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 70.4%.

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) 10Mo6 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 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
70.4%
MECHANICAL MATCH
No shared data
OVERALL
70.4%
Specifications
Property BS 970 (Part 1) 635A14 BS 970 (Part 1) 808H17
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.17 0.14-0.20
Mn (%) 0.70-0.90 0.70-1.05
Cr (%) 0.50-0.75 0.35-0.65
Mo (%) <=0.10 0.30-0.40
Ni (%) 0.70-1.00 0.35-0.75
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) 808H17
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 770 MPa min Not specified
Elongation 12 % min Not specified
Typical Applications
BS 970 (Part 1) 635A14
Case hardening steel (section four)
BS 970 (Part 1) 808H17
Case hardening steel (section four)
Can BS 970 (Part 1) 635A14 Be Substituted With BS 970 (Part 1) 808H17?
BS 970 (Part 1) 635A14 and BS 970 (Part 1) 808H17 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) 808H17
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 635A14 and BS 970 (Part 1) 808H17?
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) 635A14 be substituted with BS 970 (Part 1) 808H17?
BS 970 (Part 1) 635A14 and BS 970 (Part 1) 808H17 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.