Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
BS 970 EN201 (BS 970:1955) and BS 970 (Part 1) 040A10 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Carbon Steel category.
BS 970 EN201 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 40 tons/sq in min., while BS 970 (Part 1) 040A10 is commonly used for used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts..
BS 970 EN201 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 040A10 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, BS 970 EN201 vs BS 970 (Part 1) 040A10 is a 82.4% 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 EN201
BS 970 (Part 1) 040A10
Tensile Strength
≥618 MPa (40 tons/sq in, converted)
Not specified
Elongation
≥20%
Not specified
Condition
Core, after heat treatment (lowest-strength condition of the standard)
Not specified
Typical Applications
BS 970 EN201
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 40 tons/sq in min.
BS 970 (Part 1) 040A10
Used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.
Key Differences
BS 970 EN201 specifies Si, S, P which are not specified for BS 970 (Part 1) 040A10.
Can BS 970 EN201 Be Substituted With BS 970 (Part 1) 040A10?
BS 970 EN201 and BS 970 (Part 1) 040A10 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 EN201 and BS 970 (Part 1) 040A10?
BS 970 EN201 specifies Si, S, P which are not specified for BS 970 (Part 1) 040A10.
Can BS 970 EN201 be substituted with BS 970 (Part 1) 040A10?
BS 970 EN201 and BS 970 (Part 1) 040A10 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.