Related Material — 68.9% match
based on chemical composition and mechanical property overlap.
BS 970 (Part 1) 635A14 (BS 970 (Part 1):1991) and BS 970 (Part 1) 805M17 (BS 970 (Part 1):1983) 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) 805M17 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)..
BS 970 (Part 1) 635A14 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 805M17 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, BS 970 (Part 1) 635A14 vs BS 970 (Part 1) 805M17 is a 68.9% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a related material overall at 68.9%.
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) 805M17
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) 805M17
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Key Differences
BS 970 (Part 1) 805M17 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) 805M17?
BS 970 (Part 1) 635A14 and BS 970 (Part 1) 805M17 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between BS 970 (Part 1) 635A14 and BS 970 (Part 1) 805M17?
BS 970 (Part 1) 805M17 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) 805M17?
BS 970 (Part 1) 635A14 and BS 970 (Part 1) 805M17 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.