ASTM A 387 Grade 12 Class 1 Structural and constructional steels
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ASTM A 387 Grade 12 Class 1 Chemical Composition
A387/A387M: 2025 / Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
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ASTM A 387 Grade 12 Class 1 Physical Properties
Temperature
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ASTM A 387 Grade 12 Class 1 Heat Treatments
- All plates shall be thermally treated either by annealing, normalizing and tempering, or, when permitted by the purchaser, accelerated cooling from the austenitizing temperature by air blasting or liquid quenching, followed by tempering. Minimum tempering temperature shall be 620°C (1150°F).
ASTM A 387 Grade 12 Class 1 Mechanical Properties
Temperature
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ASTM A 387 Grade 12 Class 1 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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- 64Cross References
- 7Composition
- 3Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- 8Fatigue
- -Fracture
- 32Creep
- 22Joints
- -Coatings
- 47Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 57Total Suppliers