HP265 high temperature alloy: characteristics, composition and application

Characteristics of HP265

HP265 is a high-performance nickel-based high temperature alloy with excellent high temperature resistance, oxidation resistance and corrosion resistance. It can maintain high mechanical strength and good creep resistance in high temperature environment, and is suitable for extreme working conditions. In addition, HP265 also has good welding performance and processing performance, which makes it widely used in aviation, energy and chemical industries.

Size and delivery status of HP265

HP265 is usually supplied in the form of bars, plates, tubes and forgings, and the specific size can be customized according to customer needs. Common bar diameters range from 10mm to 300mm, and plate thicknesses range from 0.5mm to 50mm. Delivery status includes hot rolling (HR), cold rolling (CR), solution annealing (ST), etc. to meet different processing and use requirements.

Chemical composition of HP265

The main chemical components of HP265 include:

Nickel (Ni): As a matrix element, it provides excellent high temperature resistance.

Chromium (Cr) (about 15%-20%): Enhances oxidation resistance and corrosion resistance.

Iron (Fe) (a small amount): Improves processing performance.

Molybdenum (Mo) (about 2%-4%): Improves high temperature strength and creep resistance.

Other elements: such as titanium (Ti), aluminum (Al), carbon (C), etc., are used to optimize the microstructure and mechanical properties of the alloy.

Application scope of HP265

HP265 is widely used in key components in high temperature, high pressure and corrosive environments, mainly including:

Aerospace: used to manufacture turbine blades, combustion chamber components, etc.

Energy industry: suitable for gas turbines, nuclear reactor heat exchangers, etc.

Petrochemical: used for corrosion-resistant equipment such as cracking furnace tubes and high-temperature reactors.

Industrial furnaces: such as heat-resistant parts of heat treatment furnaces and sintering furnaces.

Conclusion

HP265 has become an important material in the high-end industrial field due to its excellent high temperature performance, good processing and wide applicability. Whether in extreme temperatures or corrosive environments, it can provide reliable performance to meet the stringent needs of modern industry.