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BS 970 EN2 vs BS 970 (Part 1) 040A12

Strong Match — 88.3% match based on chemical composition and mechanical property overlap.

BS 970 EN2 (BS 970:1955) and BS 970 (Part 1) 040A12 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN2 is typically used for lightly stressed components, case hardened parts, while BS 970 (Part 1) 040A12 is commonly used for as-rolled, or as-rolled and softened, steel (section two). BS 970 EN2 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 040A12 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN2 vs BS 970 (Part 1) 040A12 is a 88.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 88.3%.

Frequently Compared With BS 970 EN2:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 080A20 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
88.3%
MECHANICAL MATCH
No shared data
OVERALL
88.3%
Specifications
Property BS 970 EN2 BS 970 (Part 1) 040A12
Standard BS 970:1955 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) <=0.20 0.10-0.15
Mn (%) <=0.80 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.
Mechanical Properties
Property BS 970 EN2 BS 970 (Part 1) 040A12
Tensile Strength ≥309 MPa (20 tons/sq in, converted) Not specified
Elongation ≥28% Not specified
Condition , ruling section 6 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN2
Lightly stressed components, case hardened parts
BS 970 (Part 1) 040A12
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
Can BS 970 EN2 Be Substituted With BS 970 (Part 1) 040A12?
BS 970 EN2 and BS 970 (Part 1) 040A12 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 040A12 is often considered as a substitute for BS 970 EN2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 EN2
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4300–7000 mm (169.29–275.59 in)
BS 970 (Part 1) 040A12
No active listings currently.
On M-EX Right Now
BS 970 EN2
3 active listings and RFQs →
BS 970 (Part 1) 040A12
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN2 and BS 970 (Part 1) 040A12?
BS 970 EN2 specifies S, P which are not specified for BS 970 (Part 1) 040A12.
Can BS 970 EN2 be substituted with BS 970 (Part 1) 040A12?
BS 970 EN2 and BS 970 (Part 1) 040A12 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 040A12 is often considered as a substitute for BS 970 EN2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.