ASME SA-372 Grade N Class 140 Structural and constructional steels
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ASME SA-372 Grade N Class 140 Chemical Composition
ASME Boiler and Pressure Vessel Code An International Code Section II - Part A Ferrous Material Specifications / American Society of Mechanical Engineers / 2025
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ASME SA-372 Grade N Class 140 Physical Properties
Temperature
This material has 42 properties — only a subset is shown here.
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ASME SA-372 Grade N Class 140 Heat Treatments
- Forgings shall be liquid-quenched and tempered or normalized followed by liquid quench and temper.
When normalized forgings are to be tempered, or when forgings have been quenched, they shall be reheated to a subcritical temperature and held for at least 0.5h/25 mm.
The minimum tempering temperature shall be 540°C (1000°F).
ASME SA-372 Grade N Class 140 Mechanical Properties
Temperature
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18 Cross References
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9 Composition
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4 Mechanical Properties
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3 Physical Properties
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1 Heat Treatment
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- Metallography
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- Machinability
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- Stress-Strain
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1 Formability
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- Fatigue
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- Fracture
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- Creep
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- Joints
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- Coatings
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6 Dimensions
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- Tribology
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- Corrosion
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- Ageing
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- Weatherability
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- Irradiation
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- Total Suppliers