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EN 10089 55Cr3 vs BS 970 EN48

Close Alternative — 76.5% match based on chemical composition and mechanical property overlap.

EN 10089 55Cr3 (EN 10089:2002) and BS 970 EN48 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. EN 10089 55Cr3 is typically used for automotive leaf springs, heavy coil springs, while BS 970 EN48 is commonly used for high duty springs, valve springs. EN 10089 55Cr3 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 10089 55Cr3 vs BS 970 EN48 is a 76.5% 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 76.5%.

Frequently Compared With EN 10089 55Cr3:
EN 10089 50CrV4 EN 10089 55Si7 GB/T 1222 55CrMnA EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 55Si7 IS 3195 60Si7 IS 3195 60Cr4V2 IS 5517 55Cr3 IS 4367 55Si7 IS 3195 98C6 IS 1570 (Part 4) 65Si7
Match Breakdown
CHEMISTRY MATCH
76.5%
MECHANICAL MATCH
No shared data
OVERALL
76.5%
Specifications
Property EN 10089 55Cr3 BS 970 EN48
Standard EN 10089:2002 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.52–0.59 0.45-0.55
Si (%) 0.15–0.35 0.10-0.50
Mn (%) 0.70–1.00 0.50-0.80
Cr (%) 0.60–0.90 1.00-1.40
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 55Cr3 BS 970 EN48
Tensile Strength 1100–1350 MPa Not specified
Yield Strength ≥1000 MPa Not specified
Elongation ≥6% Not specified
Hardness 321–388 HB Not specified
Typical Applications
EN 10089 55Cr3
Automotive leaf springs, heavy coil springs
BS 970 EN48
High duty springs, valve springs
Key Differences
Can EN 10089 55Cr3 Be Substituted With BS 970 EN48?
EN 10089 55Cr3 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 10089 55Cr3
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 5100–6600 mm (200.79–259.84 in)
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 10089 55Cr3
3 active listings and RFQs →
BS 970 EN48
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10089 55Cr3 and BS 970 EN48?
BS 970 EN48 specifies S, P which are not specified for EN 10089 55Cr3.
Can EN 10089 55Cr3 be substituted with BS 970 EN48?
EN 10089 55Cr3 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.