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BS 970 EN3B vs BS 970 EN2B

Strong Match — 87.9% match based on chemical composition and mechanical property overlap.

BS 970 EN3B (BS 970:1955) and BS 970 EN2B (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN3B is typically used for general engineering, cold forming, while BS 970 EN2B is commonly used for bars and billets for forging; forgings and drop-forgings; bars for machining. BS 970 EN3B is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN2B is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN3B vs BS 970 EN2B is a 87.9% 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 87.9%.

Frequently Compared With BS 970 EN3B:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10 BS 970 (Part 1) 070M20 BS 970 (Part 1) 040A12 BS 970 (Part 1) 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) 045M10
Match Breakdown
CHEMISTRY MATCH
87.9%
MECHANICAL MATCH
No shared data
OVERALL
87.9%
Specifications
Property BS 970 EN3B BS 970 EN2B
Standard BS 970:1955 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) <=0.25 <=0.15
Si (%) <=0.35 Not specified
Mn (%) <=1.00 <=0.50
S (%) <=0.060 <=0.050
P (%) <=0.060 <=0.050
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 EN3B BS 970 EN2B
Tensile Strength ≥432 MPa (28 tons/sq in, converted) Not specified
Elongation ≥17% Not specified
Typical Applications
BS 970 EN3B
General engineering, cold forming
BS 970 EN2B
Bars and billets for forging; forgings and drop-forgings; bars for machining
Key Differences
Can BS 970 EN3B Be Substituted With BS 970 EN2B?
BS 970 EN3B and BS 970 EN2B overlap closely enough on chemistry and mechanical properties that BS 970 EN2B is often considered as a substitute for BS 970 EN3B 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 EN3B
Round Bar → (3 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4600–5000 mm (181.1–196.85 in)
BS 970 EN2B
No active listings currently.
On M-EX Right Now
BS 970 EN3B
3 active listings and RFQs →
BS 970 EN2B
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN3B and BS 970 EN2B?
BS 970 EN3B specifies Si which is not specified for BS 970 EN2B.
Can BS 970 EN3B be substituted with BS 970 EN2B?
BS 970 EN3B and BS 970 EN2B overlap closely enough on chemistry and mechanical properties that BS 970 EN2B is often considered as a substitute for BS 970 EN3B in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.