ISO 42CrMo4 Structural and constructional steels
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ISO 42CrMo4 Chemical Composition
ISO 683-18: 2014 / Heat-treatable steels, alloy steels and free - cutting steels - Part 18: Bright products of unalloyed and low alloy steels
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ISO 42CrMo4 Physical Properties
Temperature
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ISO 42CrMo4 Heat Treatments
- Core hardened (+CH): Austenitizing temperature in the core hardening test at 850°C (± 5°C), a hardening time at temperature of at least 30 min is recommended.
Hardening shall be carried out at 850 ± 10°C, 90 min/water. In cases of dispute, pretreatment at 1150°C for 30 min/air shall be carried out in order to produce a uniform starting condition. - Hardening: 820-860°C (Temperatures at the lower end of the range are generally used for water, and those at the upper end for oil quenching; Time for austenitizing as a guide: at least 30 min.);
Quenching agent: Oil or water (When choosing the quenching agent, the influence of other parameters, such as shape, dimensions and quenching temperature, on properties and crack susceptibility, should be taken into account. Other quenching agents such as synthetic quenchants may also be used.);
Tempering: 540-680°C (Time for tempering as a guide: at least 60 min.);
End quench test austenitizing: 840 ± 5°C (Time for austenitizing as a guide: 30-35 min.). The given conditions are for guidance. However, the temperatures specified for the end quench test are mandatory.
ISO 42CrMo4 Mechanical Properties
Temperature
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ISO 42CrMo4 International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 495Cross References
- 49Composition
- 155Mechanical Properties
- 3Physical Properties
- 11Heat Treatment
- -Metallography
- -Machinability
- 76Stress-Strain
- 71Formability
- 14Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 54Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 249Total Suppliers