Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
BS 970 (Part 3) 530M40 (BS 970 (Part 3):1991) and NF A35-565 100C6 are both steel grades.
Both fall under the Alloy Steel category.
BS 970 (Part 3) 530M40 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (table 16), while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts.
BS 970 (Part 3) 530M40 is defined under British Standards (BS), originating from United Kingdom, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.
As per chemical composition, BS 970 (Part 3) 530M40 vs NF A35-565 100C6 is a 73.5% 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 69.9%.
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 3) 530M40
NF A35-565 100C6
Tensile Strength
Not specified
850-1100 MPa
Hardness
Not specified
60-66 HRC
Typical Applications
BS 970 (Part 3) 530M40
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (Table 16)
Can BS 970 (Part 3) 530M40 Be Substituted With NF A35-565 100C6?
BS 970 (Part 3) 530M40 and NF A35-565 100C6 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 3) 530M40 and NF A35-565 100C6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 530M40 be substituted with NF A35-565 100C6?
BS 970 (Part 3) 530M40 and NF A35-565 100C6 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.