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BS 970 EN5B vs BS 970 (Part 1) 040A10

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 EN5B (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 EN5B is typically used for mechanical properties are not part of the contractual obligations of specifications en 5a, en 5b and en 5c., while BS 970 (Part 1) 040A10 is commonly used for used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.. BS 970 EN5B 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 EN5B vs BS 970 (Part 1) 040A10 is a 79% 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%.

Frequently Compared With BS 970 EN5B:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A40 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A45
Match Breakdown
CHEMISTRY MATCH
79%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN5B BS 970 (Part 1) 040A10
Standard BS 970:1955 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.28-0.33 0.08-0.13
Si (%) 0.05-0.35 Not specified
Mn (%) 0.70-0.90 0.30-0.50
S (%) <=0.060 Not specified
P (%) <=0.060 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN5B
Mechanical properties are not part of the contractual obligations of specifications En 5A, En 5B and En 5C.
BS 970 (Part 1) 040A10
Used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.
Key Differences
Can BS 970 EN5B Be Substituted With BS 970 (Part 1) 040A10?
BS 970 EN5B 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.
Forms & Sizes Available on M-EX
BS 970 EN5B
No active listings currently.
BS 970 (Part 1) 040A10
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4700–5500 mm (185.04–216.54 in)
On M-EX Right Now
BS 970 EN5B
0 active listings and RFQs →
BS 970 (Part 1) 040A10
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN5B and BS 970 (Part 1) 040A10?
BS 970 EN5B specifies Si, S, P which are not specified for BS 970 (Part 1) 040A10.
Can BS 970 EN5B be substituted with BS 970 (Part 1) 040A10?
BS 970 EN5B 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.