Haynes 242: age-hardenable to gain high strength and oxidation resistance at moderately high temperatures
At Tianjin ZYTC, we proudly offer Haynes 242, an age-hardenable nickel-molybdenum chromium Alloy Which derives its strength from a long-range ordering reaction upon aging. It has tensile and creep strength properties up to 1200 - 1300°F (649 - 704°C) which are as much as double those for solid solution strengthened alloys, but with high ductility in the aged condition.
Key Features of Haynes 242
- Forming And Welding: Hayes 242 has very good forming and welding properties under annealed conditions. It can be forged or hot worked by conventional techniques, and it can be easily cold formed. The above welding can be performed by standard gas tungsten arc (GTAW) or gas metal arc (GMAW) techniques under annealed conditions. The use of matching composting metal is suggested.
- Heat Treatment: Hayes 242 is supplied annealed unless otherwise specified. Alloys are typically annealed in the range of 1900-2050°F (925-1120°C) depending on specific requirements, followed by air cooling (or faster cooling) to age. Water quenching is recommended for heavy section components.Aging is performed at 1200°F (650°C) for 24 hours, followed by air cooling.
- Available In A Convenient Format: Hayes 242 is manufactured in various sizes of refurbished billets, Bars, plates, sheets, and wire welded products. Other forms can be made upon request.
Chemical Composition of Haynes 242
- Carbon (C): 0.03% Max
- Manganese (Mn): 0.80% Max
- Silicon (Si): 0.80% Max
- Chromium (Cr): 7.00% Min, 9.00% Max
- Iron (Fe): 2.00% Max
- Aluminum (Al): 0.50% Max
- Boron (B): 0.006% Max
- Copper (Cu): 0.50% Max
- Molybdenum (Mo): 24.00% Min, 26.00% Max
- Cobalt (Co): 2.50% Max
- Nickel (Ni): Balance
Mechanical Properties of Haynes 242
- Tensile Strength: 1290 Mpa (187000 psi)
- Yield strength (@strain 0.200%): 845 Mpa(123000 psi)
- Elongation: 33.70%
- Hardness: Rockwell C 19
Key Applications of Haynes 242
- Aerospace: Haynes 242 is used in aircraft engines, exhaust systems, and afterburners due to its excellent high-temperature properties. It is also used in rocket propulsion systems and turbine blades.
- Power generation: The alloy is used in gas turbines, boiler components, and steam generators in power plants. It offers excellent resistance to high-temperature oxidation and sulfidation, which can cause severe corrosion.
- Chemical processing: Haynes 242 is used in chemical reactors, heat exchangers, and pipelines that handle corrosive fluids. It offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking.
- Oil and gas: The alloy is used in oil and gas production facilities where it is exposed to high temperatures, pressures, and aggressive environments. It is used in downhole tools, valves, and pipelines.
Why Choose Tianjin ZYTC for Haynes 242
At Tianjin ZYTC, we supply Haynes 242 alloy in various forms, including sheets, plates, rods, bars, and pipe fittings. Our products are manufactured to meet the highest industry standards, ensuring excellent performance and long-term reliability. Whether you are in the chemical, aerospace, power generation, or marine industry, Haynes 242 from Tianjin ZYTC is the material solution for your most demanding applications.
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