Hastelloy Alloy

Hastelloy, a trademark of Haynes International Inc., is renowned for its corrosion resistance and high-temperature strength. It is a high-performance nickel-based alloy that plays a crucial role in various industries requiring high strength, corrosion resistance, and heat resistance.

Corrosion Resistance

Hastelloy alloys are famous for their excellent corrosion resistance, especially in environments containing aggressive fluids or aggressive media. The chromium content in Hastelloy provides powerful antioxidant properties, while nickel and molybdenum enhance its corrosion resistance. This makes Hastelloy an ideal choice for applications in the chemical, petrochemical, and nuclear industries, where it can withstand the corrosive effects of various chemicals and high temperatures.

hastelloy C-276 coil

High-Temperature Strength

Hastelloy alloys, particularly Hastelloy X, are high-performance Fe-Ni-Cr-based solid-solution strengthened deformation high-temperature alloys. They exhibit outstanding high-temperature strength and stability, allowing them to be used in applications such as aerospace engine components, industrial furnace equipment, and gas turbine components. In these environments, Hastelloy can maintain its mechanical properties and structural integrity even at elevated temperatures.

Versatility in Applications

Due to its unique combination of properties, Hastelloy is versatile and can be used in a wide range of applications. In the aerospace industry, it is used in components such as combustion chambers, rectifiers, and structural covers. In the petrochemical industry, it is used in spiral tubes, heat exchangers, and other equipment. Additionally, Hastelloy is also used in nuclear energy, pharmaceutical manufacturing, and environmental engineering industries.

Fabrication and Processing

The production and processing of Hastelloy alloys require strict technical control to ensure the accuracy and uniformity of alloy composition, thereby guaranteeing stable alloy performance. Due to its high hardness and toughness, specialized processing equipment and techniques are required for fabrication and welding. However, despite these challenges, Hastelloy’s excellent properties and wide range of applications make it an indispensable alloy material.

Hastelloy Alloy Functions

Hastelloy Coil has excellent corrosion resistance and chemical stability, and is widely used in various fields such as chemical industry, oil, petrochemical, and environmental protection.

Hastelloy Alloy Application

PropertyValue/Specification
Alloy TypeNickel-Molybdenum (Ni-Mo) alloy
Density~8.89 g/cm³ (at 20°C)
Melting Point~1315°C (2400°F)
Heat TreatmentSolution annealed at 1065–1149°C (1950–2100°F)
Tensile Strength (R₀₅)700-1,000 MPa (varies with form and temperature)
Yield Strength (R₀₅)340 MPa (sheet), 325 MPa (forging/bar)
Elongation (A min)40% (minimum, varies with form)
Hardness (Rockwell B)85-95 HRB

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