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EN 10089 50CrV4 vs BS 970 EN47

Close Alternative — 81.1% match based on chemical composition and mechanical property overlap.

EN 10089 50CrV4 (EN 10089:2002) and BS 970 EN47 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. EN 10089 50CrV4 is typically used for valve springs, high duty coil springs, hand tools, while BS 970 EN47 is commonly used for coil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.. EN 10089 50CrV4 is defined under European Standard (EN), originating from Europe, while BS 970 EN47 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10089 50CrV4 vs BS 970 EN47 is a 81.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 81.1%.

Frequently Compared With EN 10089 50CrV4:
EN 10089 55Si7 EN 10089 55Cr3 EN 10083-3 51CrV4 IS 3431 50Cr4V2 GB/T 1222 55CrMnA EN 10083-1 51CrV4 IS 1570 (Part 4) 55Si7 IS 5517 55Cr3 IS 3195 55Si7 IS 3431 55Si7 IS 3431 60Cr4V2 IS 3195 52Cr4Mo2V
Match Breakdown
CHEMISTRY MATCH
81.1%
MECHANICAL MATCH
No shared data
OVERALL
81.1%
Specifications
Property EN 10089 50CrV4 BS 970 EN47
Standard EN 10089:2002 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.47–0.55 0.45-0.55
Si (%) 0.15–0.35 <=0.50
Mn (%) 0.70–1.10 0.50-0.80
Cr (%) 0.90–1.20 0.80-1.20
V (%) 0.10–0.20 >=0.15
S (%) Not specified <=0.050
P (%) Not specified <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10089 50CrV4 BS 970 EN47
Tensile Strength 1100–1300 MPa Not specified
Yield Strength ≥1000 MPa Not specified
Elongation ≥8% Not specified
Hardness 321–375 HB Not specified
Typical Applications
EN 10089 50CrV4
Valve springs, high duty coil springs, hand tools
BS 970 EN47
Coil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.
Key Differences
Can EN 10089 50CrV4 Be Substituted With BS 970 EN47?
EN 10089 50CrV4 and BS 970 EN47 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
EN 10089 50CrV4
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 5000–6500 mm (196.85–255.91 in)
BS 970 EN47
Round Bar → (4 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5700–6400 mm (224.41–251.97 in)
On M-EX Right Now
EN 10089 50CrV4
3 active listings and RFQs →
BS 970 EN47
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10089 50CrV4 and BS 970 EN47?
BS 970 EN47 specifies S, P which are not specified for EN 10089 50CrV4.
Can EN 10089 50CrV4 be substituted with BS 970 EN47?
EN 10089 50CrV4 and BS 970 EN47 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.