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Haynes 244: The Ideal Alloy for Gas Turbine Engines

Haynes 244 is a nickel-chromium-molybdenum-tungsten alloy developed by Haynes International Inc. It is known for its excellent high-temperature strength, superior resistance to both oxidizing and reducing environments, and good fabricability. In this article, we will discuss the ANTON METAL, chemical composition, mechanical properties, standards, specifications, and applications of Haynes 244.

ANTON METAL

ANTON METAL is a leading supplier of specialty metals, including Haynes 244. They offer a wide range of products in various shapes and sizes, such as bars, sheets, plates, wires, and tubes. ANTON METAL has an extensive inventory of Haynes 244 products readily available for immediate shipment, making it a reliable source for customers worldwide.

Chemical Composition

The chemical composition of Haynes 244 is shown in the table below:

Element Composition
Nickel 57.0%
Chromium 23.5%
Molybdenum 8.0%
Tungsten 1.5%
Cobalt 2.5%
Iron 2.0%
Carbon 0.08%
Silicon 0.05%
Manganese 0.05%
Phosphorus 0.015%
Sulfur 0.010%

The high nickel content provides superior corrosion resistance, while the chromium and molybdenum enhance the material’s high-temperature strength. The tungsten and cobalt improve the alloy’s resistance to wear and deformation at elevated temperatures.

Mechanical Properties

The mechanical properties of Haynes 244 are listed in the table below:

Property Value
Tensile Strength 140 ksi
Yield Strength 60 ksi
Elongation 40%
Hardness HRB 85-99

The high tensile strength and yield strength make Haynes 244 suitable for use in high-stress applications, such as gas turbine engines, chemical processing equipment, and heat exchangers. The alloy’s good ductility and elongation also allow it to be formed and fabricated into various shapes and sizes.

Standards and Specifications

Haynes 244 is commonly used in the aerospace, chemical processing, and power generation industries. The alloy meets several industry standards and specifications, including:

  • ASTM B435
  • AMS 5544
  • GE P50T41705
  • ASME SB-435

These standards and specifications ensure that the material meets specific requirements for chemical composition, mechanical properties, and manufacturing processes.

Applications

Haynes 244 has a wide range of applications due to its excellent high-temperature strength, superior resistance to both oxidizing and reducing environments, and good fabricability. Some common applications of the alloy are:

  1. Gas Turbine Engines: Haynes 244 is used to manufacture critical components in gas turbine engines, such as combustors, liners, and transition ducts. The alloy’s high-temperature strength and resistance to oxidation and corrosion make it ideal for these applications.
  2. Chemical Processing Equipment: Haynes 244 is used in the construction of chemical processing equipment, such as reactors, vessels, and heat exchangers. The alloy’s resistance to corrosion and high-temperature strength make it suitable for handling corrosive chemicals and operating at elevated temperatures.
  3. Power Generation: Haynes 244 is used in power generation equipment, such as steam turbines and boilers. The alloy’s high-temperature strength and resistance to corrosion make it suitable for use in these applications, where high-pressure steam and corrosive gases are present.
  4. Aerospace: Haynes 244 is used in the manufacture of aircraft engine components, such as turbine blades and vanes. The alloy’s high-temperature strength and good fabricability make it ideal for these applications, where precision and reliability are critical.

Conclusion

Haynes 244 is a nickel-chromium-molybdenum-tungsten alloy known for its excellent high-temperature strength, superior resistance to both oxidizing and reducing environments, and good fabricability. It is commonly used in the aerospace, chemical processing, and power generation industries. ANTON METAL is a leading supplier of specialty metals, including Haynes 244, and offers a wide range of products in various shapes and sizes. The alloy meets several industry standards and specifications, ensuring that it meets specific requirements for chemical composition, mechanical properties, and manufacturing processes.


Post time: May-27-2023