Overview of China Hastelloy c276 Alloy Nickel nickel-molybdenum-chromium superalloy Sheet steel plate hastelloy c22
Metal powder is a common form of metal that has been processed into fine particles, ranging from a few micrometers to over 100 microns in diameter. It plays a crucial role in various industrial applications due to its unique properties and versatility.
Features of China Hastelloy c276 Alloy Nickel nickel-molybdenum-chromium superalloy Sheet steel plate hastelloy c22
Physical Characteristics
Particle Size: Ranging from nanometers to hundreds of micrometers, the size distribution significantly influences the powder’s flowability, packing density, and sintering behavior.
Shape: Particles can be spherical, irregular, flake-like, or dendritic, each shape affecting the final product’s mechanical properties and surface finish.
Purity: Depending on the production method, metal powders can achieve high levels of purity, critical for applications like electronics and aerospace where impurities can degrade performance.
Density: While less dense than their solid counterparts due to the presence of air between particles, metal powders can be densely packed during processing to approach the density of the solid metal.
Chemical Properties
Reactivity: Some metal powders, particularly aluminum and titanium, are highly reactive with air and moisture, necessitating careful handling and storage under inert atmospheres or vacuum.
Oxidation: Exposure to air can lead to surface oxidation, forming a passive layer that affects sintering and other processes. This can be managed through surface treatment or use of protective atmospheres.
(China Hastelloy c276 Alloy Nickel nickel-molybdenum-chromium superalloy Sheet steel plate hastelloy c22)
Parameters of China Hastelloy c276 Alloy Nickel nickel-molybdenum-chromium superalloy Sheet steel plate hastelloy c22
Hastelloy C276 is a high-performance, corrosion-resistant nickel-based superalloy that has gained significant recognition in various industries for its exceptional strength, durability, and resistance to extreme conditions. Developed by the United States company Haynes International, this alloy finds extensive applications where harsh environments and elevated temperatures pose significant challenges.
C276, also known as Hastelloy C-276, is a precipitation-hardened material composed primarily of around 55% nickel, 17% molybdenum, 13% chromium, and 6% tungsten, with trace amounts of carbon, manganese, and iron. The addition of tungsten enhances the alloy’s strength and creep resistance, while molybdenum contributes to improved corrosion resistance and high-temperature stability.
The key features of Hastelloy C276 are:
1. Corrosion Resistance: This alloy exhibits exceptional resistance to pitting, crevice, and stress corrosion cracking in chloride, hydrochloric, and sulfuric acid environments, making it ideal for use in chemical processing, marine, and oil & gas industries.
2. High Temperature Stability: Hastelloy C276 maintains its mechanical properties up to about 1600°F (871°C), which is crucial for applications involving hot gases, steam, or furnaces.
3. Oxidation Resistance: It resists high-temperature oxidation, protecting components from degradation in atmospheres with oxygen, making it suitable for applications like heat exchangers, industrial furnaces, and turbine components.
4. Creep Strength: The presence of tungsten in the alloy provides excellent creep strength at elevated temperatures, reducing the risk of deformation over time in heavy-duty applications.
5. Weldability: Although can be challenging due to the alloy’s composition, specialized techniques and ensure good fusion quality, minimizing the risk of microstructure changes and residual stresses.
6. Fabrication: Hastelloy C276 sheet steel plates are available in various thicknesses and finishes, including cold rolled, annealed, and polished, to meet specific application requirements.
7. Long Service Life: Thanks to its robust combination of properties, Hastelloy C276 components exhibit a longer service life than conventional materials, resulting in cost savings and reduced maintenance.
In conclusion, Hastelloy C276 is a versatile superalloy that stands out in demanding environments where durability, corrosion resistance, and high-temperature performance are critical. Its unique composition allows it to excel in industries such as aerospace, power generation, petrochemicals, and nuclear, making it a reliable choice for engineers seeking a long-lasting and efficient solution.
(China Hastelloy c276 Alloy Nickel nickel-molybdenum-chromium superalloy Sheet steel plate hastelloy c22)
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