1.2311 (40CrMnMo7) Quenched And Tempered
Products Description 1.2311 (40CrMnMo7), after quenching and tempering, exhibits excellent mechanical properties. The quenching process involves heating the steel to a certain temperature above its critical point and then cooling it at a specific rate. This step is crucial as it helps in...
Description
Products Description
1.2311 (40CrMnMo7), after quenching and tempering, exhibits excellent mechanical properties. The quenching process involves heating the steel to a certain temperature above its critical point and then cooling it at a specific rate. This step is crucial as it helps in enhancing the hardness and strength of the steel. Subsequently, tempering is carried out by heating the quenched steel to a particular temperature and then cooling it. Tempering reduces brittleness, minimizes or eliminates internal stresses, and prevents workpiece deformation and cracking. It also enables the steel to achieve the desired mechanical properties.
For 1.2311 (40CrMnMo7), the combination of quenching and tempering results in a material with improved toughness and ductility while maintaining a certain level of strength. The specific heat treatment parameters, such as quenching temperature, cooling rate, and tempering temperature, play a significant role in determining the final properties of the steel.
Designation by Standards
| Mat. No. | DIN | EN | AISI |
| 1.2311 | 40CrMnMo7 | - | Approx. P20 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.40 | 0.30 | 1.45 | 1.95 | 0.20 | - | - | - | - |
Description
Prehardened plastic mould steel with good machinability, better than steel grade Mat. No. 1.2312, suitable for texturing.
Applications
Plastic moulds, mould frames for plastic moulds, large injection moulds, pressure casting dies,recipient sleeves.
Research has shown that different tempering temperatures can have a substantial impact on the hardness of 1.2311 plastic mold steel. For example, a study found that the optimal temperature range for tempering in the TMCP (Thermo-Mechanical Controlled Processing) + tempering heat treatment process is 580 - 600°C. In the quenching and tempering (QT) heat treatment process, the optimal tempering temperature range is 600 - 620°C. By carefully controlling these parameters, manufacturers can produce 1.2311 steel with consistent and desirable mechanical properties for various applications in the plastic mold industry.
In conclusion, 1.2311 (40CrMnMo7) quenched and tempered is a highly valuable material with excellent mechanical properties that can be tailored to meet specific application requirements by adjusting the heat treatment parameters.
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