ASTM A 193 B8L Class 1A Stainless steels
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ASTM A 193 B8L Class 1A Chemical Composition
A193/A193M: 2026 / Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
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ASTM A 193 B8L Class 1A Physical Properties
Temperature
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ASTM A 193 B8L Class 1A Heat Treatments
- All austenitic stainless steels shall receive a carbide solution treatment.
Class 1A can apply to finished bolting components. Finished bolting components shall be carbide solution treated after all rolling, forging, heading, and threading operations are complete. This designation does not apply to starting material such as bar. Components shall be heated from ambient temperature and held a sufficient time at a temperature at which the chromium carbide will go into solution and then shall be cooled at a rate sufficient to prevent the precipitation of the carbide.
ASTM A 193 B8L Class 1A Mechanical Properties
Temperature
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ASTM A 193 B8L Class 1A 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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- 246Cross References
- 8Composition
- 6Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
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