CS70 Spring Steel
CS70 is a carbon spring steel that is normally supplied in the annealed condition, suitable for bending, shaping and forming, before final heat treatment. CS70 is used in the manufacture of a wide variety of springs.
CS70 spring steel is available in flats, sheets and coils/strip. Available in annealed, half hard of fully hardened condition.
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| Close equivalents to BS1449 CS70 | ||||
|---|---|---|---|---|
| BS1449 | BS 970 1955 EN | AISI/SAE | Euronorm | DIN |
| CS70 | EN42 | 1070/1074 | C67S/C75S | CK67 |
| Specification BS1449 |
Chemical Composition | |||||||
|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | Ni | Cr | Mo | S | P | |
| % | % | % | % | % | % | % | % | |
| CS70 | 0.65/0.75 | 0.05/0.35 | 0.50/0.90 | - | - | - | 0.045Max | 0.045Max |
Call Steel Express, spring steel suppliers on 01902 716333 for nationwide delivery.