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BS 970 EN43C vs BS 970 EN8

Strong Match — 90% match based on chemical composition and mechanical property overlap.

BS 970 EN43C (BS 970:1955) and BS 970 EN8 (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN43C is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN8 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN43C vs BS 970 EN8 is a 90% 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 90%.

Frequently Compared With BS 970 EN43C:
BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 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 1) 060A32
Match Breakdown
CHEMISTRY MATCH
90%
MECHANICAL MATCH
No shared data
OVERALL
90%
Specifications
Property BS 970 EN43C BS 970 EN8
Standard BS 970:1955 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.50-0.55 0.35-0.45
Si (%) 0.05-0.35 0.05-0.35
Mn (%) 0.70-1.00 0.60-1.00
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 EN43C BS 970 EN8
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 EN43C
Not documented
BS 970 EN8
Shafts, gears, studs, keys, general machined parts
Can BS 970 EN43C Be Substituted With BS 970 EN8?
BS 970 EN43C and BS 970 EN8 overlap closely enough on chemistry and mechanical properties that BS 970 EN8 is often considered as a substitute for BS 970 EN43C 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 EN43C
No active listings currently.
BS 970 EN8
Round Bar → (30 listings)
Diameter: 32–70 mm (1.26–2.76 in)
Length: 4800–7000 mm (188.98–275.59 in)
Forging → (6 listings)
Diameter: 150–150 mm (5.91–5.91 in)
Length: 500–800 mm (19.69–31.5 in)
Square Bar → (6 listings)
Size: 30–40 mm (1.18–1.57 in)
Length: 4900–6600 mm (192.91–259.84 in)
Wire Rod Coil → (4 listings)
Diameter: 10–12 mm (0.39–0.47 in)
Flat Bar → (4 listings)
Thickness: 30–30 mm (1.18–1.18 in)
Width: 150–150 mm (5.91–5.91 in)
Length: 3100–6500 mm (122.05–255.91 in)
Hollow Bar → (3 listings)
OD: 120–120 mm (4.72–4.72 in)
ID: 60–60 mm (2.36–2.36 in)
Length: 5500–6500 mm (216.54–255.91 in)
On M-EX Right Now
BS 970 EN43C
0 active listings and RFQs →
BS 970 EN8
53 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN43C and BS 970 EN8?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN43C be substituted with BS 970 EN8?
BS 970 EN43C and BS 970 EN8 overlap closely enough on chemistry and mechanical properties that BS 970 EN8 is often considered as a substitute for BS 970 EN43C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.