ASTM A 890 Grade 4A Cast steels
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ASTM A 890 Grade 4A Chemical Composition
A890/A890M: 2018 / Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
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This material has 150 properties — only a subset is shown here.
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ASTM A 890 Grade 4A Heat Treatments
- Heat to 1120°C (2050°F) minimum for sufficient time to heat casting uniformly to temperature and water quench, or the casting may be furnace cooled to 1010°C (1850°F) minimum, hold for 15 min minimum and then water quench. A rapid cool by other means may be employed in lieu of water quench.
ASTM A 890 Grade 4A Mechanical Properties
Temperature
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69 Cross References
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10 Composition
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3 Mechanical Properties
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- Physical Properties
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1 Heat Treatment
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2 Metallography
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- Machinability
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- Stress-Strain
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- Formability
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- Fatigue
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- Fracture
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- Creep
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11 Joints
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- Coatings
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- Dimensions
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- Tribology
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1 Corrosion
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- Ageing
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- Weatherability
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- Irradiation
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