AFNOR NF G42 CrMo 4 Cast steels
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AFNOR NF G42 CrMo 4 Chemical Composition
EN 10293: 2015 / Steel castings for general engineering uses
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AFNOR NF G42 CrMo 4 Heat Treatments
- +QT1: 880-950°C, quenched by air or liquid; Tempered at 600-650°C.
+QT2: 880-950°C, quenched by air or liquid; Tempered at 550-600°C. - Quenched and tempered (+QT1): Air or oil quenched at 860 to 930°C and tempered at 600 to 650°C
Quenched and tempered (+QT2): Oil or water quenched at 860 to 930°C and tempered at 500 to 600°C
Quenched and tempered (+QT3): Oil quenched at 860 to 930°C and tempered at 200 to 250°C
Structure:
- for +QT1 condition – Ferrite, pearlite and bainitic
- for +QT2 condition – Martensitic
- for +QT3 condition – Martensitic
AFNOR NF G42 CrMo 4 Mechanical Properties
Temperature
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AFNOR NF G42 CrMo 4 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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- 241Cross References
- 33Composition
- 81Mechanical Properties
- -Physical Properties
- 4Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
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