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EN 10083-3 51CrV4 vs BS 970 EN48A

Related Material — 66.5% match based on chemical composition and mechanical property overlap.

EN 10083-3 51CrV4 (EN 10083-3:2006) and BS 970 EN48A (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. EN 10083-3 51CrV4 is typically used for valve springs, clutch springs, high duty coil springs, while BS 970 EN48A is commonly used for bars for oil hardening and tempering. laminated spring plates to this specification shall conform to the dimensional requirements in appendix c.. EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe, while BS 970 EN48A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-3 51CrV4 vs BS 970 EN48A is a 66.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 66.5%.

Frequently Compared With EN 10083-3 51CrV4:
EN 10089 50CrV4 EN 10089 55Si7 EN 10089 55Cr3 GB/T 1222 55CrMnA IS 3431 50Cr4V2 EN 10083-1 51CrV4 IS 1570 (Part 4) 55Si7 IS 5517 55Cr3 EN 10083-1 51CrV4 IS 3195 55Si7 IS 3431 60Cr4V2 IS 3195 52Cr4Mo2V
Match Breakdown
CHEMISTRY MATCH
66.5%
MECHANICAL MATCH
No shared data
OVERALL
66.5%
Specifications
Property EN 10083-3 51CrV4 BS 970 EN48A
Standard EN 10083-3:2006 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.47-0.55 0.50-0.60
Cr (%) 0.90-1.20 0.55-0.85
Mn (%) 0.70-1.10 0.60-0.90
P (%) <=0.025 <=0.050
S (%) <=0.025 <=0.050
Si (%) <=0.40 1.35-1.65
V (%) 0.10-0.25 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-3 51CrV4 BS 970 EN48A
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 9% min Not specified
Hardness Soft annealed (+A): 248 HBW max Not specified
Tensile Strength 1100 to 1300 MPa Not specified
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
BS 970 EN48A
Bars for oil hardening and tempering. Laminated spring plates to this specification shall conform to the dimensional requirements in Appendix C.
Key Differences
Can EN 10083-3 51CrV4 Be Substituted With BS 970 EN48A?
EN 10083-3 51CrV4 and BS 970 EN48A share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
EN 10083-3 51CrV4
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 6300–7000 mm (248.03–275.59 in)
BS 970 EN48A
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On M-EX Right Now
EN 10083-3 51CrV4
3 active listings and RFQs →
BS 970 EN48A
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 51CrV4 and BS 970 EN48A?
EN 10083-3 51CrV4 specifies V which is not specified for BS 970 EN48A.
Can EN 10083-3 51CrV4 be substituted with BS 970 EN48A?
EN 10083-3 51CrV4 and BS 970 EN48A share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.