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BS 970 EN44B vs BS 970 EN42

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

BS 970 EN44B (BS 970:1955) and BS 970 EN42 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. BS 970 EN44B is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN42 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN44B vs BS 970 EN42 is a 85.4% 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 84.9%.

Frequently Compared With BS 970 EN44B:
BS 970 EN42D IS 3195 50Cr4V2 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V IS 5517 55Cr3 IS 3195 113C6 EN 10083-1 51CrV4 EN 10089 55Cr3 IS 3431 50Cr4V2 EN 10083-1 51CrV4 IS 3195 98C6
Match Breakdown
CHEMISTRY MATCH
85.4%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property BS 970 EN44B BS 970 EN42
Standard BS 970:1955 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.90-1.00 0.70-0.85
Si (%) <=0.35 0.10-0.40
Mn (%) 0.40-0.70 0.55-0.75
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 EN44B
Not documented
BS 970 EN42
Springs, chisels, punches, cutting tools
Can BS 970 EN44B Be Substituted With BS 970 EN42?
BS 970 EN44B and BS 970 EN42 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
BS 970 EN44B
No active listings currently.
BS 970 EN42
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5200–6900 mm (204.72–271.65 in)
On M-EX Right Now
BS 970 EN44B
0 active listings and RFQs →
BS 970 EN42
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN44B and BS 970 EN42?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN44B be substituted with BS 970 EN42?
BS 970 EN44B and BS 970 EN42 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.