ASTM A 453 Grade 660 Class A Stainless steels
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ASTM A 453 Grade 660 Class A Chemical Composition
A453/A453M: 2026 / Standard Specification for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels
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ASTM A 453 Grade 660 Class A Physical Properties
Temperature
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ASTM A 453 Grade 660 Class A Heat Treatments
- Solution treatment at 900 ± 14°C (1650 ± 25°F) for a minimum of 2 hours and then liquid quench.
Hardening treatment at 720 ± 14°C (1325 ± 25°F) for 16 hours and then air cool.
ASTM A 453 Grade 660 Class A Mechanical Properties
Temperature
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ASTM A 453 Grade 660 Class A 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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- 284Cross References
- 12Composition
- 6Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- 29Creep
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- 4Dimensions
- -Tribology
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