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EN 10083-1 51CrV4 vs BS 970 EN48

Close Alternative — 78.1% match based on chemical composition and mechanical property overlap.

EN 10083-1 51CrV4 (EN 10083-1:1996) and BS 970 EN48 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. EN 10083-1 51CrV4 is typically used for quenched and tempered machine parts (clause 1.1), while BS 970 EN48 is commonly used for high duty springs, valve springs. EN 10083-1 51CrV4 is defined under European Standard (EN), originating from Europe, while BS 970 EN48 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-1 51CrV4 vs BS 970 EN48 is a 78.1% 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 78.1%.

Frequently Compared With EN 10083-1 51CrV4:
EN 10083-3 51CrV4 EN 10083-1 51CrV4 IS 3431 50Cr4V2 EN 10089 50CrV4 IS 5517 55Cr3 IS 3195 65Si7 IS 3431 65Si7 BS 970 EN42C BS 970 EN42D BS 970 EN42F IS 3195 113C6 IS 3195 50Cr4V2
Match Breakdown
CHEMISTRY MATCH
78.1%
MECHANICAL MATCH
No shared data
OVERALL
78.1%
Specifications
Property EN 10083-1 51CrV4 BS 970 EN48
Standard EN 10083-1:1996 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.47-0.55 0.45-0.55
Cr (%) 0.90-1.20 1.00-1.40
Mn (%) 0.70-1.10 0.50-0.80
P (%) <=0.035 <=0.050
S (%) <=0.035 <=0.050
Si (%) <=0.40 0.10-0.50
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 10083-1 51CrV4 BS 970 EN48
Condition Quenched and tempered, ruling section d <= 16 mm Not specified
Elongation 9% min Not specified
Hardness Soft annealed: 248 HB max Not specified
Tensile Strength 1100 to 1300 MPa Not specified
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-1 51CrV4
Quenched and tempered machine parts (clause 1.1)
BS 970 EN48
High duty springs, valve springs
Key Differences
Can EN 10083-1 51CrV4 Be Substituted With BS 970 EN48?
EN 10083-1 51CrV4 and BS 970 EN48 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 10083-1 51CrV4
No active listings currently.
BS 970 EN48
Flat Bar → (3 listings)
Thickness: 30–30 mm (1.18–1.18 in)
Width: 150–150 mm (5.91–5.91 in)
Length: 2500–2800 mm (98.43–110.24 in)
On M-EX Right Now
EN 10083-1 51CrV4
0 active listings and RFQs →
BS 970 EN48
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-1 51CrV4 and BS 970 EN48?
EN 10083-1 51CrV4 specifies V which is not specified for BS 970 EN48.
Can EN 10083-1 51CrV4 be substituted with BS 970 EN48?
EN 10083-1 51CrV4 and BS 970 EN48 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.