UNS N10242 / Haynes 242 Nickel Alloy
Lork Group is a leading international supplier and exporter of high-performance nickel alloys, specializing in Haynes 242 (UNS N10242). This unique age-hardenable nickel-molybdenum-chromium alloy is engineered for applications demanding an exceptional combination of high strength, exceptional thermal stability, and a very low coefficient of thermal expansion.
Haynes 242 derives its remarkable properties from a long-range ordering reaction during aging. This process provides tensile and creep strength properties up to double those of standard solid-solution strengthened alloys in the critical temperature range of 1200°F to 1300°F (649°C to 704°C), all while maintaining high ductility in the aged condition. This unique set of characteristics makes it an indispensable material for advanced aerospace and industrial applications.
Exceptional High-Temperature Strength
Offers dramatically higher strength and creep resistance than solution-strengthened alloys, providing superior performance and longer component life.
Very Low Thermal Expansion
Its coefficient of thermal expansion is significantly lower than that of most other high-temperature alloys, making it ideal for applications requiring dimensional stability across a wide temperature range.
Outstanding Environmental Resistance
Provides excellent oxidation resistance up to 1500°F (816°C) and superior resistance to high-temperature fluorine, fluoride environments, and hydrofluoric acid vapors.
Excellent
Fabricability
Exhibits high ductility in the aged condition, along with very good low-cycle fatigue properties and thermal stability for reliable performance in critical components.
Specifications
We maintain a robust inventory of Haynes 242 to support your manufacturing and maintenance needs:
| UNS N10242 / Haynes 242 | |
| Sheet, Plate & Strip | SB 434/B 434 P= 44 |
| Billet, Rod & Bar | SB 573/B 573B 472 P= 44 |
| Coated Electrodes | – |
| Bare Welding Rods & Wire | SFA 5.14/ A 5.14 (ERNiMo-12) F= 44 |
| Seamless Pipe & Tube | SB 622/B 622 P= 44 |
| Welded Pipe & Tube | SB 619/B 619 SB 626/B 626 P= 44 |
| Fittings | SB 366/B 366 P= 44 |
| Forgings | SB 564/B 564 P= 44 |
| DIN | – |
| Others | – |
chemical composition
| Nickel | Balance |
| Molybdenum | 25 |
| Chromium | 8 |
| Iron | 2 max. |
| Cobalt | 1 max. |
| Manganese | 0.8 max. |
| Silicon | 0.8 max. |
| Aluminum | 0.5 max. |
| Carbon | 0.03 max. |
| Boron | 0.006 max. |
Applications
Haynes 242 is the material of choice for engineers designing components where precision, strength, and corrosion resistance are paramount:
- Aerospace & Industrial Gas Turbines: Seal rings, containment rings, duct segments, casings, fasteners, and nozzle components.
- Chemical Process Industry: Equipment for processes involving high-temperature hydrofluoric acid vapors and fluoride salt mixtures.
- Industrial Manufacturing: Extrusion screws and critical components in fluoroelastomer processing equipment.
- Energy & Rockets: Pump components and rocket nozzles.
As a trusted global exporter, Lork Group provides more than just material-we provide reliable supply chain solutions. Our extensive ready inventory ensures swift delivery to keep your projects on schedule, backed by expert technical support.
Contact us today to discuss your requirements, request a competitive quotation, and get a free sample to experience the superior quality and performance of Haynes 242 alloy for yourself.
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