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BS 970 EN6K vs BS 970 EN6A

Strong Match — 99.4% match based on chemical composition and mechanical property overlap.

BS 970 EN6K (BS 970:1955) and BS 970 EN6A (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN6K is typically used for bars for machining. en 6k is intended for special applications only., while BS 970 EN6A is commonly 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.. BS 970 EN6K is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN6A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN6K vs BS 970 EN6A is a 99% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 99.4%.

Frequently Compared With BS 970 EN6K:
BS 970 (Part 3) 070M20 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045A10 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
99%
MECHANICAL MATCH
100%
OVERALL
99.4%
Specifications
Property BS 970 EN6K BS 970 EN6A
Standard BS 970:1955 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) <=0.40 <=0.40
Si (%) 0.05-0.35 0.05-0.35
Mn (%) 0.50-0.90 0.50-0.90
S (%) <=0.050 <=0.060
P (%) <=0.050 <=0.060
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 EN6K BS 970 EN6A
Tensile Strength 494-695 MPa (32-45 tons/sq in, converted) 494-695 MPa (32-45 tons/sq in, converted)
Elongation ≥15% ≥15%
Condition size (diameter or width across flats) Over 2 1/2 in (lowest-strength condition of the standard) size (diameter or width across flats) Over 2 1/2 in (lowest-strength condition of the standard)
Typical Applications
BS 970 EN6K
Bars for machining. En 6K is intended for special applications only.
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.
Can BS 970 EN6K Be Substituted With BS 970 EN6A?
BS 970 EN6K and BS 970 EN6A overlap closely enough on chemistry and mechanical properties that BS 970 EN6A is often considered as a substitute for BS 970 EN6K 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 EN6K
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BS 970 EN6A
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Frequently Asked Questions
What is the difference between BS 970 EN6K and BS 970 EN6A?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN6K be substituted with BS 970 EN6A?
BS 970 EN6K and BS 970 EN6A overlap closely enough on chemistry and mechanical properties that BS 970 EN6A is often considered as a substitute for BS 970 EN6K in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.