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BS 970 EN5C vs BS 970 EN8A

Strong Match — 93.6% match based on chemical composition and mechanical property overlap.

BS 970 EN5C (BS 970:1955) and BS 970 EN8A (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN5C is typically used for mechanical properties are not part of the contractual obligations of specifications en 5a, en 5b and en 5c., while BS 970 EN8A is commonly used for shafts, axles, gears, studs. BS 970 EN5C is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN8A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN5C vs BS 970 EN8A is a 93.6% 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 93.6%.

Frequently Compared With BS 970 EN5C:
BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
93.6%
MECHANICAL MATCH
No shared data
OVERALL
93.6%
Specifications
Property BS 970 EN5C BS 970 EN8A
Standard BS 970:1955 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.30-0.35 0.33-0.38
Si (%) 0.05-0.35 0.05-0.35
Mn (%) 0.70-0.90 0.70-0.90
S (%) <=0.060 <=0.060
P (%) <=0.060 <=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 EN5C BS 970 EN8A
Tensile Strength Not specified ≥541 MPa (35 tons/sq in, converted)
Yield Strength Not specified ≥278 MPa (18 tons/sq in, converted)
Elongation Not specified ≥20%
Hardness Not specified 152-207 HB
Condition Not specified NGC 1, Normalised, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
BS 970 EN5C
Mechanical properties are not part of the contractual obligations of specifications En 5A, En 5B and En 5C.
BS 970 EN8A
Shafts, axles, gears, studs
Can BS 970 EN5C Be Substituted With BS 970 EN8A?
BS 970 EN5C and BS 970 EN8A overlap closely enough on chemistry and mechanical properties that BS 970 EN8A is often considered as a substitute for BS 970 EN5C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 EN5C
No active listings currently.
BS 970 EN8A
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5300–6500 mm (208.66–255.91 in)
On M-EX Right Now
BS 970 EN5C
0 active listings and RFQs →
BS 970 EN8A
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN5C and BS 970 EN8A?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN5C be substituted with BS 970 EN8A?
BS 970 EN5C and BS 970 EN8A overlap closely enough on chemistry and mechanical properties that BS 970 EN8A is often considered as a substitute for BS 970 EN5C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.