Post Stock Login Register

BS 970 EN44E vs BS 970 EN45

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

BS 970 EN44E (BS 970:1955) and BS 970 EN45 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. BS 970 EN44E is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN45 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN44E vs BS 970 EN45 is a 77.8% 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 EN44E:
IS 3431 50Cr4V2 IS 5517 55Cr3 IS 3195 50Cr4V2 EN 10083-3 51CrV4 EN 10083-1 51CrV4 IS 3195 52Cr4Mo2V IS 3195 113C6 EN 10089 50CrV4 EN 10083-1 51CrV4 EN 10089 55Cr3 IS 3195 98C6 BS 970 EN42
Match Breakdown
CHEMISTRY MATCH
77.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN44E BS 970 EN45
Standard BS 970:1955 BS 970:1955
Category Spring Steel Spring Steel
C (%) 1.05-1.25 0.50-0.60
Si (%) <=0.35 1.50-2.00
Mn (%) 0.30-0.70 0.70-1.00
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 EN44E
Not documented
BS 970 EN45
Leaf springs, coil springs, automotive suspension
Can BS 970 EN44E Be Substituted With BS 970 EN45?
BS 970 EN44E and BS 970 EN45 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 EN44E
No active listings currently.
BS 970 EN45
Round Bar → (6 listings)
Diameter: 55–60 mm (2.17–2.36 in)
Length: 5200–6200 mm (204.72–244.09 in)
Flat Bar → (3 listings)
Thickness: 25–25 mm (0.98–0.98 in)
Width: 150–150 mm (5.91–5.91 in)
Length: 2500–3600 mm (98.43–141.73 in)
On M-EX Right Now
BS 970 EN44E
0 active listings and RFQs →
BS 970 EN45
9 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN44E and BS 970 EN45?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN44E be substituted with BS 970 EN45?
BS 970 EN44E and BS 970 EN45 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.