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BS 970 EN32A vs BS 970 (Part 1) 045M10

Strong Match — 86.3% match based on chemical composition and mechanical property overlap.

BS 970 EN32A (BS 970:1955) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1983) 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 (Part 1) 045M10 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties).. BS 970 EN32A is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN32A vs BS 970 (Part 1) 045M10 is a 86.3% 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 86.3%.

Frequently Compared With BS 970 EN32A:
BS 970 (Part 3) 045A10 BS 970 (Part 1) 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) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40 BS 970 (Part 1) 045A10
Match Breakdown
CHEMISTRY MATCH
86.3%
MECHANICAL MATCH
No shared data
OVERALL
86.3%
Specifications
Property BS 970 EN32A BS 970 (Part 1) 045M10
Standard BS 970:1955 BS 970 (Part 1):1983
Category Carbon Steel Carbon Steel
C (%) <=0.15 0.07-0.13
Si (%) 0.05-0.35 Not specified
Mn (%) 0.40-0.70 0.30-0.60
S (%) <=0.050 <=0.050
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 (Part 1) 045M10
Tensile Strength ≥494 MPa (32 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 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 (Part 1) 045M10
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Key Differences
Can BS 970 EN32A Be Substituted With BS 970 (Part 1) 045M10?
BS 970 EN32A and BS 970 (Part 1) 045M10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 045M10 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 (Part 1) 045M10
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Frequently Asked Questions
What is the difference between BS 970 EN32A and BS 970 (Part 1) 045M10?
BS 970 EN32A specifies Si which is not specified for BS 970 (Part 1) 045M10.
Can BS 970 EN32A be substituted with BS 970 (Part 1) 045M10?
BS 970 EN32A and BS 970 (Part 1) 045M10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 045M10 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.