PROPRIETARY ATLAS 4140 Structural and constructional steels
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This material has 431 properties — only a subset is shown here.
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PROPRIETARY ATLAS 4140 Chemical Composition
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PROPRIETARY ATLAS 4140 Physical Properties
Temperature
This material has 431 properties — only a subset is shown here.
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PROPRIETARY ATLAS 4140 Heat Treatments
- Annealing: 850°C; Normalising: 850 – 920°C; Hardening: 850 – 860°C; Quenching medium: Oil; Tempering: 500 – 680°C
Nitriding: Nitride at approximately 510°C for 10 to 60 hours, depending upon required case depth. Surface hardness achievable is 600 to 650HV.
Induction or Flame Hardening; Can be surface hardened to 58HRC (typical value)
PROPRIETARY ATLAS 4140 Mechanical Properties
Temperature
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PROPRIETARY ATLAS 4140 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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- 228Cross References
- 7Composition
- 14Mechanical Properties
- 3Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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