AISI 431 Stainless steels
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AISI 431 Chemical Composition
SAE AMS-S-18732B: 1998 / Steel Bars, Wire, Forging Stock, Forgings, Tubing (431), Special
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AISI 431 Physical Properties
Temperature
This material has 624 properties — only a subset is shown here.
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AISI 431 Heat Treatments
- Annealed, or hardened and tempered as specified. Liquid quenching shall be permitted only by agreement with the purchaser
Heat treating at 1020°C ± 14°C (1875 ± 25°F) and quenching in the oil or polymer (samples for testing shall be in the form of a section not exceeding 9.50 mm in thickness). Polymer selected should have a cooling rate similar to oil to prevent cracking.
It should be used by the purchaser in the hardened and tempered condition. - After heat treating at 1025°C ± 15°C (1875°F ± 25°F) and oil quenching, grade shall be capable of meeting the hardness of 40 HRC minimum (testing section t ≤ 9.50 mm).
AISI 431 Mechanical Properties
Temperature
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AISI 431 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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- 261Cross References
- 72Composition
- 31Mechanical Properties
- 3Physical Properties
- 7Heat Treatment
- 1Metallography
- 2Machinability
- 1Stress-Strain
- 1Formability
- 3Fatigue
- -Fracture
- -Creep
- 10Joints
- -Coatings
- 81Dimensions
- 6Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 145Total Suppliers