1.2083 (X40Cr14) directly from stock & cut to your required dimensions.
This is a corrosion-resistant plastic mold steel. It is thermosetting; low distortion with high hardness and can be well polished. The properties and chemical composition are comparable with the material 1.4034.
1.2083 is also known under the classification AISI 420.
The application of 1.2083 is for chemically attacking and acid-precipitating plastics such as Duro and Thermoplastics, PVC-aminoplasts, plastic injection mold inserts and machine parts of the food industry possible.
|Machinability medium||5 (1 = poor - 10 = good)|
|Corrosion class||1 (0 = schwach - 5 = gut)|
Soft annealed max. 241 HB
Hardened and Tempered 332-369 HB
Low-stress annealing: A temperature between 600°C and 650°C should be considered for stress-relieving annealing. Thereafter, a furnace cooling takes place.
Soft annealing: The material 1.2083 should be soft annealed at temperatures of 760°C - 800°C. Subsequently, a slow cooling in the oven must be done.
Hardening: Hardening takes place at 1000°C - 1050°C. This is followed by cooling in air, oil or in a warm bath.
Polishing: The polishing of material grade 1.2083 is possible in soft annealed and hardened condition. In this case, a good preparation of the surfaces is decisive for a good polish.
Etching: Good photo etching is given. (Scar)
Erosion: In the hardened and tempered state, the material 1.2083 can be eroded. Afterwards, it is necessary to depressurize again approx. 20°C below the last tempering temperature.
Nitriding and hard chrome plating is not common with this material.
|Density in kg/dm3||7,80|
|Young's modulus (103 MPa)||200|
|Thermal conductivity at 20°C in W/(m K)||17,0|
|Specific heat capacity at 20°C in J/(kg K)||460|
Flat, forged, annealed, hardened and tempered
The processing with the saw is a mechanical processing of the material, which results in a significantly lower unintended deformation and increased hardness for the existing structure, such as the thermal cutting.
Thus, the machined workpiece has a homogeneous structure even at the edge, which does not change in the continuation of the material.
This circumstance allows immediate finishing of the workpiece with milling or drilling . So it is not necessary to anneal the material or make a similar operation beforehand.
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