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BS 970 EN55 vs BS 970 EN54

Close Alternative — 75.9% match based on chemical composition and mechanical property overlap.

BS 970 EN55 (BS 970:1955) and BS 970 EN54 (BS 970:1955) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN55 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars., while BS 970 EN54 is commonly used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.. BS 970 EN55 is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN54 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN55 vs BS 970 EN54 is a 75.9% 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 75.9%.

Frequently Compared With BS 970 EN55:
ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 08X18H10
Match Breakdown
CHEMISTRY MATCH
75.9%
MECHANICAL MATCH
No shared data
OVERALL
75.9%
Specifications
Property BS 970 EN55 BS 970 EN54
Standard BS 970:1955 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) 0.18-0.45 0.35-0.50
Si (%) 1.00-2.50 1.00-2.50
Mn (%) <=1.00 <=1.50
Ni (%) 6.00-12.0 >=10.0
Cr (%) >=17.0 12.00-16.0
W (%) 2.00-4.00 2.00-4.00
S (%) <=0.045 <=0.045
P (%) <=0.045 <=0.045
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN55
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.
BS 970 EN54
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.
Can BS 970 EN55 Be Substituted With BS 970 EN54?
BS 970 EN55 and BS 970 EN54 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.
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BS 970 EN55
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BS 970 EN54
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Frequently Asked Questions
What is the difference between BS 970 EN55 and BS 970 EN54?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN55 be substituted with BS 970 EN54?
BS 970 EN55 and BS 970 EN54 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.