Engineering Steel Bar
Medium Carbon Steel En 9 / 070M55
En 9 / 070M55
Colour Code
A medium carbon steel with a carbon content of 0.5 / 0.6 % which enables it to be flame or induction hardened to produce a high surface hardness, with excellent wear resistance. When hardened and tempered, it develops a tensile strength in the range 700-1000 N/mm depending on ruling section.
Suitable for components where abrasion resistance rather than toughness is of primary importance e.g. sprockets, cams, rollers, cylinders etc.
Colour Code
| Steel Number | Steel Name | Grade | AISI/SAE | BS 970 1983 |
|---|---|---|---|---|
| 1.0511 | C40 | En8 | 1040 | 080M40 |
| Chemical | C | Mn | Si | P | S |
|---|---|---|---|---|---|
| % | 0.37 - 0.44 | 0.6 - 0.9 | 0.05 - 0.35 | .06 max | .05 max |
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