ASTM A 940 Grade HP Structural and constructional steels
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This material has 32 properties — only a subset is shown here.
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ASTM A 940 Grade HP Chemical Composition
A940/A940M: 2006 / Standard Specification for Vacuum Treated Steel Forgings, Alloy, Differentially Heat Treated, for Turbine Rotors
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ASTM A 940 Grade HP Physical Properties
Temperature
This material has 32 properties — only a subset is shown here.
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ASTM A 940 Grade HP Heat Treatments
- The heat treatment for the HP portion shall consist of normalizing, accelerated air cooling, and tempering. The final tempering temperature for all zones shall not be below 650°C. After heat treatment and subsequent rough machining and boring, the forging shall be stress relieved at a temperature not more than 55°C below the final tempering temperature, but not below 595°C.
ASTM A 940 Grade HP Mechanical Properties
Temperature
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ASTM A 940 Grade HP 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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- 9Cross References
- 11Composition
- 5Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 3Total Suppliers