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BS 970 EN8AM vs BS 970 EN8K

Strong Match — 88.6% match based on chemical composition and mechanical property overlap.

BS 970 EN8AM (BS 970:1955) and BS 970 EN8K (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN8AM is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN8K is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN8AM vs BS 970 EN8K is a 82.9% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 88.6%.

Frequently Compared With BS 970 EN8AM:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A12
Match Breakdown
CHEMISTRY MATCH
82.9%
MECHANICAL MATCH
100%
OVERALL
88.6%
Specifications
Property BS 970 EN8AM BS 970 EN8K
Standard BS 970:1955 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.33-0.38 0.35-0.45
Si (%) <=0.25 0.05-0.35
Mn (%) 0.90-1.30 0.60-1.00
S (%) 0.12-0.20 <=0.050
P (%) <=0.060 <=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 EN8AM BS 970 EN8K
Tensile Strength ≥541 MPa (35 tons/sq in, converted) ≥541 MPa (35 tons/sq in, converted)
Yield Strength ≥278 MPa (18 tons/sq in, converted) ≥278 MPa (18 tons/sq in, converted)
Elongation ≥20% ≥20%
Hardness 152-207 HB 152-207 HB
Condition Normalised, ruling section 6 in (lowest-strength condition of the standard) Normalised, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
BS 970 EN8AM
Not documented
BS 970 EN8K
Bars and billets for forging; forgings; bars for machining.
Can BS 970 EN8AM Be Substituted With BS 970 EN8K?
BS 970 EN8AM and BS 970 EN8K overlap closely enough on chemistry and mechanical properties that BS 970 EN8K is often considered as a substitute for BS 970 EN8AM 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 EN8AM
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BS 970 EN8K
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Frequently Asked Questions
What is the difference between BS 970 EN8AM and BS 970 EN8K?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN8AM be substituted with BS 970 EN8K?
BS 970 EN8AM and BS 970 EN8K overlap closely enough on chemistry and mechanical properties that BS 970 EN8K is often considered as a substitute for BS 970 EN8AM in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.