Characteristics
Carbon steel for heat treatment and surface hardening.
Suitability
Suitable for shafts of mining machines, turbo-compressors, carousels and so on. For bigger cogwheels, screws, gear rings, rotors of screw compressors, connecting rods, piston rods, spindles, plungers, pistons of compressors, pegs, screws, transport rollers, clutch disks, rollers, sockets, levers, stops, pins, connecting components, shunting forks, holders, carriers of satellites, beams, pawls, forged bolts of pressure containers, boring rods and cutter arbors.
Chemical composition of steel ČSN 12 050
| Steel grade | Chemical composition in % | Hardness in the state | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Soft annealed | Heat-treated | ||||||||||||
| C | Mn | Si | Cr | W | Mo | V | Ni max | Co | P max. | S max. | HB max. | HRC min. | |
| DIN is not | |||||||||||||
| ČSN 12 050 | 0,42-0,50 | 0,50-0,80 | max 0,40 | max 0,40 | max 0,10 | 0,40 | 0,045 | 0,045 | 208 | ||||
Heat treatment of steel ČSN 12 050
| Way | Temperature [°C] | Procedure | |
|---|---|---|---|
| Normalization | 840-870 | Cool in air | |
| Hardening | 830-860 | Cool in oil | |
| 800-830 | Cool in water | ||
| Soft annealing | 680-720 | Cool in furnace | |
| Tempering | 530-670 | Cool in air | |
Note
- Kind of steel according to the way of production – hearth, electric steel or oxygen convertor - killed
- Coloured marking according to ČSN 42 0010 - green/red/black
- Class of waste according to ČSN 42 0030 - 002
Delivered goods
Round bars: D10 - D615
Blocks: 510x1600
Metal plates: s. 10 - s. 400
We will deliver any semi-finished products from the above mentioned dimensions. Other dimensions, except for given stock supplies, have to be consulted with us.
We supply these grades of steel: St52.3, C45, 16MnCr5, 42CrMo4
We supply these grades of steel:
Tool steel meets the requirements of various kinds of tools, e.g. for machining, hot- and cold-working, measuring instruments and die-casting moulds. We also offer high-speed steel.
Special tool steel is suitable for the manufacture of moulds, dies and pressing tools. This steel have better end-use properties than common classic steel, therefore it can help saving considerable amounts of money in manufacture.
This patented Swedish steel is distinguished by its high range of use. It is suitable for the manufacture of tools and moulds as well as machinery parts. This material can replace many kinds of classic tool and structural steel.