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BS 970 EN6A vs BS 970 (Part 3) 080M30

Strong Match — 88.3% match based on chemical composition and mechanical property overlap.

BS 970 EN6A (BS 970:1955) and BS 970 (Part 3) 080M30 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN6A is typically 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., while BS 970 (Part 3) 080M30 is commonly used for used for shafts, gears, axles, couplings, bolts, and general engineering components.. BS 970 EN6A is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 3) 080M30 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN6A vs BS 970 (Part 3) 080M30 is a 88.3% 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 88.3%.

Frequently Compared With BS 970 EN6A:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 3) 070M20 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
88.3%
MECHANICAL MATCH
No shared data
OVERALL
88.3%
Specifications
Property BS 970 EN6A BS 970 (Part 3) 080M30
Standard BS 970:1955 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) <=0.40 0.26-0.34
Si (%) 0.05-0.35 0.10-0.40
Mn (%) 0.50-0.90 0.60-1.00
S (%) <=0.060 <=0.05
P (%) <=0.060 <=0.05
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 EN6A BS 970 (Part 3) 080M30
Tensile Strength 494-695 MPa (32-45 tons/sq in, converted) Not specified
Elongation ≥15% Not specified
Condition size (diameter or width across flats) Over 2 1/2 in (lowest-strength condition of the standard) Not specified
Typical Applications
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.
BS 970 (Part 3) 080M30
Used for shafts, gears, axles, couplings, bolts, and general engineering components.
Can BS 970 EN6A Be Substituted With BS 970 (Part 3) 080M30?
BS 970 EN6A and BS 970 (Part 3) 080M30 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 080M30 is often considered as a substitute for BS 970 EN6A 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 EN6A
No active listings currently.
BS 970 (Part 3) 080M30
Round Bar → (2 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 EN6A
0 active listings and RFQs →
BS 970 (Part 3) 080M30
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN6A and BS 970 (Part 3) 080M30?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN6A be substituted with BS 970 (Part 3) 080M30?
BS 970 EN6A and BS 970 (Part 3) 080M30 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 080M30 is often considered as a substitute for BS 970 EN6A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.