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BS 970 EN44D vs BS 970 EN44

Strong Match — 92.6% match based on chemical composition and mechanical property overlap.

BS 970 EN44D (BS 970:1955) and BS 970 EN44 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. BS 970 EN44D is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN44 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN44D vs BS 970 EN44 is a 92.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 92.6%.

Frequently Compared With BS 970 EN44D:
BS 970 EN42D IS 5517 55Cr3 EN 10089 55Cr3 IS 3431 50Cr4V2 IS 3195 50Cr4V2 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V IS 3195 113C6 EN 10083-1 51CrV4 EN 10083-1 51CrV4 GB/T 1222 55CrMnA
Match Breakdown
CHEMISTRY MATCH
92.6%
MECHANICAL MATCH
No shared data
OVERALL
92.6%
Specifications
Property BS 970 EN44D BS 970 EN44
Standard BS 970:1955 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.90-1.05 0.90-1.20
Si (%) <=0.35 <=0.30
Mn (%) 0.30-0.70 0.45-0.70
S (%) <=0.050 <=0.050
P (%) <=0.050 <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN44D
Not documented
BS 970 EN44
Bars for oil hardening and tempering.
Can BS 970 EN44D Be Substituted With BS 970 EN44?
BS 970 EN44D and BS 970 EN44 overlap closely enough on chemistry and mechanical properties that BS 970 EN44 is often considered as a substitute for BS 970 EN44D in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 EN44D
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BS 970 EN44
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Frequently Asked Questions
What is the difference between BS 970 EN44D and BS 970 EN44?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN44D be substituted with BS 970 EN44?
BS 970 EN44D and BS 970 EN44 overlap closely enough on chemistry and mechanical properties that BS 970 EN44 is often considered as a substitute for BS 970 EN44D in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.