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BS 970 EN6A vs BS 970 (Part 1) 040A10

Close Alternative — 80.1% match based on chemical composition and mechanical property overlap.

BS 970 EN6A (BS 970:1955) and BS 970 (Part 1) 040A10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN6A is typically used for bars for machining. en 6a is identical in composition and mechanical properties with en 6 except for the omission of the izod impact value., while BS 970 (Part 1) 040A10 is commonly used for used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.. BS 970 EN6A is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 040A10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN6A vs BS 970 (Part 1) 040A10 is a 80.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.1%.

Frequently Compared With BS 970 EN6A:
BS 970 (Part 3) 070M20 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
80.1%
MECHANICAL MATCH
No shared data
OVERALL
80.1%
Specifications
Property BS 970 EN6A BS 970 (Part 1) 040A10
Standard BS 970:1955 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) <=0.40 0.08-0.13
Si (%) 0.05-0.35 Not specified
Mn (%) 0.50-0.90 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 EN6A BS 970 (Part 1) 040A10
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 EN6A
Bars for machining. En 6A is identical in composition and mechanical properties with En 6 except for the omission of the Izod impact value.
BS 970 (Part 1) 040A10
Used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.
Key Differences
Can BS 970 EN6A Be Substituted With BS 970 (Part 1) 040A10?
BS 970 EN6A and BS 970 (Part 1) 040A10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
BS 970 EN6A
No active listings currently.
BS 970 (Part 1) 040A10
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4700–5500 mm (185.04–216.54 in)
On M-EX Right Now
BS 970 EN6A
0 active listings and RFQs →
BS 970 (Part 1) 040A10
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN6A and BS 970 (Part 1) 040A10?
BS 970 EN6A specifies Si, S, P which are not specified for BS 970 (Part 1) 040A10.
Can BS 970 EN6A be substituted with BS 970 (Part 1) 040A10?
BS 970 EN6A and BS 970 (Part 1) 040A10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.