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LORK is a super alloy manufacturer with 20 years of manufacturing experience.
HAYNES 244 alloy is a new Ni-Mo-Cr-W alloy developed for static parts in advanced gas turbine engines which require low thermal expansion at temperatures up to 1400°F (760°C). It offers a higher maximum use temperature than other low thermal expansion alloys currently available, including a 100-200°F (55-110°C) improvement over HAYNES 242 alloy. The alloy is age-hardenable by formation of Ni2 (Cr,Mo,W) domains, which are structurally similar to the strengthening domains in 242 alloy. Judicious alloying with tungsten increased the thermal stability of these domains and lowered the coefficient of thermal expansion. Other important properties such as oxidation resistance and low-cycle fatigue performance are comparable or better than those of 242 alloy.
Haynes 244 Application
HAYNES 242 alloy combines properties which make it ideally suited for a variety of component applications in aero and industrial gas turbine engines. It may be used for seal rings, containment rings, duct segments, casings, fasteners, rocket nozzles, pumps, and many others. In the chemical process industry, 242 alloy will find use in high-temperature vapor-containing processes as a consequence of its excellent resistance to that environment. The alloy also displays excellent resistance to high-temperature fluoride salt mixtures. The high strength and fluorine environment-resistance of 242 alloy has also been shown to provide for excellent service in fluoroelastomer process equipment, such as extrusion screws.
Haynes 244 Chemical Composition
Nickel | Balance |
Aluminum | 0.5 max. |
Carbon | 0.03 max. |
Chromium | 8 |
Iron | 2 max. |
Manganese | 0.8 max. |
Molybdenum | 22.5 |
Tungsten | 6 |
Test Temperature | Yield Strength, 0.2% Offset | Ultimate Tensile Strength | Elongation | Reduction of Area | |||
°F | °C | ksi | MPa | ksi | MPa | % | % |
RT | RT | 121.2 | 836 | 195.0 | 1345 | 34 | 37 |
200 | 93 | 116.3 | 802 | 190.3 | 1312 | 39 | 41 |
400 | 204 | 110.3 | 761 | 181.6 | 1252 | 39 | 45 |
600 | 316 | 107.9 | 744 | 175.4 | 1209 | 41 | 44 |
800 | 427 | 100.0 | 689 | 170.4 | 1175 | 41 | 46 |
1000 | 538 | 99.3 | 685 | 164.2 | 1132 | 38 | 43 |
1100 | 593 | 97.5 | 672 | 156.3 | 1078 | 32 | 32 |
1200 | 649 | 93.8 | 647 | 141.4 | 975 | 21 | 24 |
1300 | 704 | 84.8 | 585 | 125.6 | 866 | 18 | 20 |
1400 | 760 | 67.2 | 463 | 105.0 | 696 | 44 | 37 |
1500 | 816 | 37.1 | 256 | 72.0 | 463 | 106 | 70 |
1600 | 871 | 34.8 | 240 | 54.1 | 354 | 124 | 84 |
1700 | 927 | 38.2* | 263* | 42.4* | 208* | 161* | 89* |
1800 | 983 | 24.0 | 165 | 30.4 | 210 | 141 | 94 |
Haynes 244 available sizes and specifications | |
Grade | Haynes 244 |
Nickel plate | Thickness: 0.3mm - 150.0mmWidth: 1000mm - 3000mm |
Nickel strip/ nickel foil | Thickness: 0.02mm - 16.0mm Width: 5mm - 3000mm |
Nickel coil | Thickness: 0.3mm - 16.0mm Width: 1000mm - 3000mm |
Nickel pipe | Outside diameter: 6mm - 1219mm Thickness: 0.5mm - 100mm |
Nickel Capillary Pipe | Outside diameter: 0.5mm - 6.0mm Thickness: 0.05mm - 2.0mm |
Nickel bar | Diameter: Ф4mm - Ф600mm |
Nickel wire rod | Diameter:Ф0.01mm - Ф6mm |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?