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BS 970 (Part 1) 637A16 vs BS 970 (Part 1) 635A14

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

BS 970 (Part 1) 637A16 (BS 970 (Part 1):1991) and BS 970 (Part 1) 635A14 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 637A16 is typically used for case hardening steel (section four), while BS 970 (Part 1) 635A14 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties).. BS 970 (Part 1) 637A16 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 635A14 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 637A16 vs BS 970 (Part 1) 635A14 is a 79.1% 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 79.1%.

Frequently Compared With BS 970 (Part 1) 637A16:
IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
79.1%
MECHANICAL MATCH
No shared data
OVERALL
79.1%
Specifications
Property BS 970 (Part 1) 637A16 BS 970 (Part 1) 635A14
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.12-0.17
Mn (%) 0.70-0.90 0.70-0.90
Cr (%) 0.70-1.00 0.50-0.75
Mo (%) <=0.10 <=0.10
Ni (%) 0.90-1.20 0.70-1.00
P (%) Not specified <=0.035
S (%) Not specified <=0.040
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) 637A16 BS 970 (Part 1) 635A14
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 930 MPa min Not specified
Elongation 10 % min Not specified
Typical Applications
BS 970 (Part 1) 637A16
Case hardening steel (section four)
BS 970 (Part 1) 635A14
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Key Differences
Can BS 970 (Part 1) 637A16 Be Substituted With BS 970 (Part 1) 635A14?
BS 970 (Part 1) 637A16 and BS 970 (Part 1) 635A14 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) 637A16
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BS 970 (Part 1) 635A14
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 637A16 and BS 970 (Part 1) 635A14?
BS 970 (Part 1) 635A14 specifies P, S which are not specified for BS 970 (Part 1) 637A16.
Can BS 970 (Part 1) 637A16 be substituted with BS 970 (Part 1) 635A14?
BS 970 (Part 1) 637A16 and BS 970 (Part 1) 635A14 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.