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BS 970 EN32A vs BS 970 EN32B

Strong Match — 92.2% match based on chemical composition and mechanical property overlap.

BS 970 EN32A (BS 970:1955) and BS 970 EN32B (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN32A is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. recommended for limiting ruling sections of 1/2 in and below., while BS 970 EN32B is commonly used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. recommended for limiting ruling sections over 1/2 in. en 32c same title.. BS 970 EN32A is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN32B is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN32A vs BS 970 EN32B is a 88.2% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 92.2%.

Frequently Compared With BS 970 EN32A:
BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
88.2%
MECHANICAL MATCH
100%
OVERALL
92.2%
Specifications
Property BS 970 EN32A BS 970 EN32B
Standard BS 970:1955 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) <=0.15 0.10-0.18
Si (%) 0.05-0.35 0.05-0.35
Mn (%) 0.40-0.70 0.60-1.00
S (%) <=0.050 <=0.070
P (%) <=0.050 <=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 EN32A BS 970 EN32B
Tensile Strength ≥494 MPa (32 tons/sq in, converted) ≥494 MPa (32 tons/sq in, converted)
Elongation ≥20% ≥20%
Condition Core, after heat treatment (lowest-strength condition of the standard) Core, after heat treatment (lowest-strength condition of the standard)
Typical Applications
BS 970 EN32A
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Recommended for limiting ruling sections of 1/2 in and below.
BS 970 EN32B
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Recommended for limiting ruling sections over 1/2 in. En 32C same title.
Can BS 970 EN32A Be Substituted With BS 970 EN32B?
BS 970 EN32A and BS 970 EN32B overlap closely enough on chemistry and mechanical properties that BS 970 EN32B is often considered as a substitute for BS 970 EN32A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 EN32A
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BS 970 EN32B
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Frequently Asked Questions
What is the difference between BS 970 EN32A and BS 970 EN32B?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN32A be substituted with BS 970 EN32B?
BS 970 EN32A and BS 970 EN32B overlap closely enough on chemistry and mechanical properties that BS 970 EN32B is often considered as a substitute for BS 970 EN32A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.