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BS 970 (Part 3) 080A42 vs BS 970 EN8D

Strong Match — 97.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 080A42 (BS 970 (Part 3):1991) and BS 970 EN8D (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 3) 080A42 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (table 13), while BS 970 EN8D is commonly used for dynamo and motor shafts; after heat treatment bolts, studs, crankshafts, connecting rods, flanges, railway couplings, axles and brackets. BS 970 (Part 3) 080A42 is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN8D is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 3) 080A42 vs BS 970 EN8D is a 97.4% 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 97.4%.

Frequently Compared With BS 970 (Part 3) 080A42:
BS 970 (Part 1) 040A04 BS 970 (Part 3) 080A15 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A67 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
97.4%
MECHANICAL MATCH
No shared data
OVERALL
97.4%
Specifications
Property BS 970 (Part 3) 080A42 BS 970 EN8D
Standard BS 970 (Part 3):1991 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.40-0.45 0.40-0.45
Si (%) 0.10-0.40 0.05-0.35
Mn (%) 0.70-0.90 0.70-0.90
P (%) <=0.05 <=0.060
S (%) <=0.05 <=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 (Part 3) 080A42 BS 970 EN8D
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 (Part 3) 080A42
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (Table 13)
BS 970 EN8D
Dynamo and motor shafts; after heat treatment bolts, studs, crankshafts, connecting rods, flanges, railway couplings, axles and brackets
Can BS 970 (Part 3) 080A42 Be Substituted With BS 970 EN8D?
BS 970 (Part 3) 080A42 and BS 970 EN8D overlap closely enough on chemistry and mechanical properties that BS 970 EN8D is often considered as a substitute for BS 970 (Part 3) 080A42 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 (Part 3) 080A42
No active listings currently.
BS 970 EN8D
Round Bar → (4 listings)
Diameter: 40–55 mm (1.57–2.17 in)
Length: 5500–7000 mm (216.54–275.59 in)
On M-EX Right Now
BS 970 (Part 3) 080A42
0 active listings and RFQs →
BS 970 EN8D
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 3) 080A42 and BS 970 EN8D?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 080A42 be substituted with BS 970 EN8D?
BS 970 (Part 3) 080A42 and BS 970 EN8D overlap closely enough on chemistry and mechanical properties that BS 970 EN8D is often considered as a substitute for BS 970 (Part 3) 080A42 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.