Strong Match — 95.2% match
based on chemical composition and mechanical property overlap.
BS 970 EN8 (BS 970:1955) and BS 970 EN8C (BS 970:1955) are both steel grades.
Both fall under the Carbon Steel category.
BS 970 EN8 is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN8C is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, BS 970 EN8 vs BS 970 EN8C is a 92.9% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 95.2%.
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 EN8
BS 970 EN8C
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
NGC 1, Normalised, ruling section 6 in (lowest-strength condition of the standard)
NGC 1, Normalised, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
BS 970 EN8
Shafts, gears, studs, keys, general machined parts
BS 970 EN8C
Not documented
Can BS 970 EN8 Be Substituted With BS 970 EN8C?
BS 970 EN8 and BS 970 EN8C overlap closely enough on chemistry and mechanical properties that BS 970 EN8C is often considered as a substitute for BS 970 EN8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between BS 970 EN8 and BS 970 EN8C?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN8 be substituted with BS 970 EN8C?
BS 970 EN8 and BS 970 EN8C overlap closely enough on chemistry and mechanical properties that BS 970 EN8C is often considered as a substitute for BS 970 EN8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.