ASTM A 494 N24025 Nickel Alloys
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ASTM A 494 N24025 Chemical Composition
A494/A494M: 2026 / Standard Specification for Castings, Nickel and Nickel Alloy
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ASTM A 494 N24025 Physical Properties
Temperature
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ASTM A 494 N24025 Heat Treatments
- Class 1 (As cast) and Class 2 (Solution heat-treated) - As cast: Load into furnace at 315°C (600°F) maximum. Heat to 870°C (1600°F) and hold for 1 h plus an additional 30 min for each 13 mm of cross section over 25 mm (for cross sections over 125 mm, it may be necessary to increase the hold time if maximum softness is desired). Cool to 705°C (1300°F) [for maximum softness and the least variation in hardness levels, castings should be transferred from an oven at 870°C (1600°F) to a second oven at 705°C (1300°F)] and hold at temperature for 30 min, then quench in oil to room temperature. While machinable in the “as-cast” condition, is capable of being solution heat treated for improved machinability.
Class 3 - Age-hardened: Load into furnace at 315°C (600°F) maximum. Heat slowly to 605°C (1100°F) and hold to develop maximum hardness. Furnace or air cool to room temperature.
ASTM A 494 N24025 Mechanical Properties
Temperature
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ASTM A 494 N24025 International Equivalent Materials
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- 10Cross References
- 9Composition
- 1Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 1Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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