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EN 10089 55Cr3 vs BS 970 EN48A

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

EN 10089 55Cr3 (EN 10089:2002) and BS 970 EN48A (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 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 10089 55Cr3 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 10089 55Cr3 vs BS 970 EN48A is a 84% 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 69.9%.

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
84%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10089 55Cr3 BS 970 EN48A
Standard EN 10089:2002 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.52–0.59 0.50-0.60
Si (%) 0.15–0.35 1.35-1.65
Mn (%) 0.70–1.00 0.60-0.90
Cr (%) 0.60–0.90 0.55-0.85
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 EN48A
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 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 10089 55Cr3 Be Substituted With BS 970 EN48A?
EN 10089 55Cr3 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 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 EN48A
No active listings currently.
On M-EX Right Now
EN 10089 55Cr3
3 active listings and RFQs →
BS 970 EN48A
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10089 55Cr3 and BS 970 EN48A?
BS 970 EN48A specifies S, P which are not specified for EN 10089 55Cr3.
Can EN 10089 55Cr3 be substituted with BS 970 EN48A?
EN 10089 55Cr3 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.