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Hastelloy C22 round bar is a nickel - based alloy product with excellent comprehensive performance, and its introduction is as follows:
Chemical Composition
| Element Name | Chemical Symbol | Approximate Content |
|---|---|---|
| Nickel | Ni | Base metal |
| Chromium | Cr | 22% |
| Molybdenum | Mo | 13% |
| Tungsten | W | 3% |
| Iron | Fe | Small amount |
| Cobalt | Co | Small amount |
| Manganese | Mn | Small amount |
Mechanical Properties
High Strength and Good Toughness: It can withstand high loads and stresses, with a tensile strength of 112 - 122 ksi and a yield strength of 53 - 63 ksi. It is not prone to deformation or fracture, and can maintain stable performance in extreme working environments, such as being used to make engine shaft components in the aerospace field.
Good Machinability: It can be processed into various complex shapes and sizes through forging, rolling, cutting, and other processes to meet the needs of different application scenarios.
Physical Properties
Density: 0.314 lb/in³, with a specific gravity of 8.69 lb/in³.
Melting Point: 2550 °F.
Specific Heat: 0.1 Btu/lb/Deg F - (32 - 212 Deg F).
Thermal Conductivity: 70. The average coefficient of thermal expansion is 6.9, and the elastic tensile modulus is 29.9.
Corrosion Resistance Properties
Excellent General Corrosion Resistance: It shows excellent resistance to a variety of corrosive media, including acids, alkalis, and salts, and has good stability in both oxidizing and reducing environments.
High Resistance to Pitting and Crevice Corrosion: Due to the combined effect of chromium, molybdenum, and other elements, it has high resistance to pitting and crevice corrosion in chloride - containing media, which can effectively prevent local corrosion failures.
Good Stress Corrosion Cracking Resistance: It has good resistance to stress corrosion cracking, which is very important in harsh working environments to avoid sudden cracking and failure of components.
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