2.4819 alloy, namely Hastelloy C-276 (UNS N10276), is a nickel-based alloy widely used in chemical, marine, aerospace and other fields, with excellent corrosion resistance and mechanical properties.
2.4819 alloy bars
The chemical composition of 2.4819 alloy mainly includes:
Nickel (Ni): 57%
Chromium (Cr): 14.5% - 16.5%
Molybdenum (Mo): 15% - 17%
Iron (Fe): 4.0% - 7.0%
Tungsten (W): 3.0% - 4.5%
Cobalt (Co): maximum 2.5%
Carbon (C): ≤0.01%
Manganese (Mn): ≤1.0%
Silicon (Si): ≤0.35%
Phosphorus (P): ≤0.04%
Sulfur (S): ≤0.03%
Physical properties
Density: 8.9 g/cm³
Melt temperature range: 1325 - 1370℃
Thermal conductivity: 10.2 W/(m·K) (at 100℃)
Specific heat capacity: 407 J/(kg·℃)
Elastic modulus: 208 GPa
Shear modulus: 79 GPa
Resistivity: 1.25 μΩ·m
Linear expansion coefficient: 11.7 × 10^-6/℃ (20 - 100℃)
Hardness: HRB ≤ 100
Mechanical properties
2.4819 alloy has the characteristics of high strength and high toughness, with a tensile strength of 730 MPa, a yield strength of 283 MPa, and an elongation of 40%.
Application areas
2.4819 high-temperature alloy is widely used in aerospace engine parts, chemical equipment, oil extraction and processing equipment, nuclear reactor parts in nuclear power plants, etc., especially suitable for high temperature and highly corrosive working environments.
