C35E steel is a structural, unalloyed steel for quenching and tempering, which is widely used in the engineering and automotive industries, and is also used for the manufacture of support elements for larger structures. The additional letter "E" in the designation specifies that it is a steel with a required maximum sulfur concentration. It is a steel with a higher degree of purity compared to the C35 grade. After tempering, consisting of quenching and tempering, the steel shows much higher mechanical properties and is a good material for the production of parts exposed to medium and high mechanical loads. In addition, this steel has limited weldability due to its carbon content.
C35E steel chemical composition
| Designation | C in % max | Mn % max. | Si % max | Cr % max | P % max. | S % max. | Ni % max. | Mo % max. | |
|---|---|---|---|---|---|---|---|---|---|
| C35E | 1.1181 | 0,32 - 0,39 | 0,50 - 0,80 | 0,40 | 0,40 | 0,035 | 0,035 | 0,40 | 0,10 |
Steel C35 mechanical properties
| Mechanical properties | ||||
|---|---|---|---|---|
| Condition | Rp0.2 [MPa] | Rm [MPa] | Elongation % | Elongation % |
| initial | ≥270 | ≥520 | ≥19 | - |
| tempered | 320-430 | 550-780 | ≥18 | ≥40 |
C35 steel applications
C35E steel is very often used for the production of elements supporting large structures, and is also widely used in the production of elements exposed to medium and heavy loads, such as:
- fasteners: bolts, nuts
- gears
- axles, shafts, cranks, connecting rods, levers, cylinders, piston rods, pins, wedges.
| EU EN | Steel number |
| C35E | 1.1181 |
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