EN43 Spring Steel
EN43 is an unalloyed medium carbon spring steel (approx. 0.50% carbon), it is suitable for bending, shaping and forming, before final heat treatment. EN43 is used in the manufacture of a wide variety of springs.
EN43 spring steel is available in sheets, flats, squares and diameters. Available in annealed, half hard of fully hardened condition.
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| Close equivalents to BS 970 EN43 | ||||
|---|---|---|---|---|
| BS 970 1955 EN | BS 970 1991 | AISI/SAE | Euronorm | DIN |
| EN43 | 080M50 | 1045/1055 | C55 | |
| Specification BS 970 1955 EN |
Chemical Composition | |||||||
|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | Ni | Cr | Mo | S | P | |
| % | % | % | % | % | % | % | % | |
| EN43 | 0.45/0.55 | 0.05/0.35 | 0.70/1.00 | - | - | - | 0.06Max | 0.06Max |
Call Steel Express, spring steel suppliers on 01902 716333 for nationwide delivery.