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BS 970 EN6 vs BS 970 (Part 3) 045A10

Strong Match — 85.2% match based on chemical composition and mechanical property overlap.

BS 970 EN6 (BS 970:1955) and BS 970 (Part 3) 045A10 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN6 is typically used for bars for machining., while BS 970 (Part 3) 045A10 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (table 14). BS 970 EN6 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 3) 045A10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN6 vs BS 970 (Part 3) 045A10 is a 85.2% 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 85.2%.

Frequently Compared With BS 970 EN6:
BS 970 (Part 1) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 070M20
Match Breakdown
CHEMISTRY MATCH
85.2%
MECHANICAL MATCH
No shared data
OVERALL
85.2%
Specifications
Property BS 970 EN6 BS 970 (Part 3) 045A10
Standard BS 970:1955 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) <=0.40 0.08-0.13
Si (%) 0.05-0.35 0.10-0.40
Mn (%) 0.50-0.90 0.30-0.60
S (%) <=0.060 <=0.05
P (%) <=0.060 <=0.05
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 EN6 BS 970 (Part 3) 045A10
Tensile Strength 494-695 MPa (32-45 tons/sq in, converted) Not specified
Elongation ≥15% Not specified
Condition size (diameter or width across flats) Over 2 1/2 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN6
Bars for machining.
BS 970 (Part 3) 045A10
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (Table 14)
Can BS 970 EN6 Be Substituted With BS 970 (Part 3) 045A10?
BS 970 EN6 and BS 970 (Part 3) 045A10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 045A10 is often considered as a substitute for BS 970 EN6 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 EN6
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BS 970 (Part 3) 045A10
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Frequently Asked Questions
What is the difference between BS 970 EN6 and BS 970 (Part 3) 045A10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN6 be substituted with BS 970 (Part 3) 045A10?
BS 970 EN6 and BS 970 (Part 3) 045A10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 045A10 is often considered as a substitute for BS 970 EN6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.