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BS 970 EN48A vs BS 970 EN47

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

BS 970 EN48A (BS 970:1955) and BS 970 EN47 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. BS 970 EN48A is typically used for bars for oil hardening and tempering. laminated spring plates to this specification shall conform to the dimensional requirements in appendix c., while BS 970 EN47 is commonly used for coil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.. BS 970 EN48A is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN47 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN48A vs BS 970 EN47 is a 70.1% 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 BS 970 EN48A:
IS 5517 55Cr3 EN 10089 55Cr3 EN 10083-3 51CrV4 GB/T 1222 55CrMnA IS 3431 50Cr4V2 IS 3195 113C6 IS 3195 50Cr4V2 EN 10089 50CrV4 EN 10083-1 51CrV4 EN 10083-1 51CrV4 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 55Si7
Match Breakdown
CHEMISTRY MATCH
70.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN48A BS 970 EN47
Standard BS 970:1955 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.45-0.55
Si (%) 1.35-1.65 <=0.50
Mn (%) 0.60-0.90 0.50-0.80
Cr (%) 0.55-0.85 0.80-1.20
S (%) <=0.050 <=0.050
P (%) <=0.050 <=0.050
V (%) Not specified >=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN48A
Bars for oil hardening and tempering. Laminated spring plates to this specification shall conform to the dimensional requirements in Appendix C.
BS 970 EN47
Coil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.
Key Differences
Can BS 970 EN48A Be Substituted With BS 970 EN47?
BS 970 EN48A and BS 970 EN47 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
BS 970 EN48A
No active listings currently.
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
BS 970 EN48A
0 active listings and RFQs →
BS 970 EN47
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN48A and BS 970 EN47?
BS 970 EN47 specifies V which is not specified for BS 970 EN48A.
Can BS 970 EN48A be substituted with BS 970 EN47?
BS 970 EN48A and BS 970 EN47 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.