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C10E | 1.1121
The steel grade C10E belongs to the case-hardened steels and is used for construction and mechanical engineering parts with low core strength, such as levers, joints, bushings, bolts, pins, pivots, gears, etc. In practice, the case-hardening steels C10 and C15 have become established alongside 16MnCr5. These steel grades are slit by thyssenkrupp Materials Processing Europe from hot-rolled wide strip to the desired width and supplied pickled or unpickled.
Case-hardened steel
C10E | 1.1121: Properties according to DIN EN 10 132-2
Steel type
| Short designation | Material number | Delivery condition |
| C10E | 1.1121 | A or LC |
| CR |
C10E | 1.1121: Mechanical properties, longitudinal
| Yield strenght Re MPa max. | Tensile strengh Rm MPa | Elongation at fracture A80 % min. | Hardness HV max. |
| 345 | 430 | 26 | 135 |
| - | 830 | - | 250 |
C10E | 1.1121: Chemical composition (heat analysis)
| Percentage by weight % max. | |||||
| C | Si max. | Mn | Cr | P max. | S max. |
| 0.07–0.13 | 0.40 | 0.30–0.60 | 0.40 max. | 0.035 | 0.035 |