Haynes 75 is a nickel-based superalloy mainly consisting of nickel and chromium. material, also shown as W.Nr.2.4951, has considerably good mechanical strength, and is resistant and resistant to oxidation even at high temperatures.
Haynes 75 alloy (UNS N06075) with moderate strength to 1200°F (650°C). It is principally used in low stress elevated temperature application requiring reasonable oxidation resistance, and is approximately equivalent to alloy 600 in performance. Haynes 75 is used in a number of fabricated part applications in the gas turbine and aerospace industries in Europe, and is also employed in general industrial heating uses. The alloy is readily formed and fabricated using conventional techniques.
The product forms Lork Group offer include: Haynes 75 plates, Haynes 75 rods, Haynes 75 tubes, Haynes 75 steel strips, Haynes 75 wires, Haynes 75 forgings ,Haynes 75 forged pipes, Haynes 75 forged plates, Haynes 75 forged rods, Haynes 75 round bars, Haynes 75 plates, Haynes 75 thin plates, Haynes 75 seamless pipes, Haynes 75 welded pipes, Haynes 75 round steel, Haynes 75 wire, Haynes 75 steel plates, Haynes 75 coils, and Haynes 75 strips.
Haynes 75 (UNS N06075) Applications
- Aerospace sheet metal fabrication
- Gas turbine engine components
- Industrial furnace components
- Heat-treating equipments and fixtures
- Nuclear engineering
Haynes 75 (UNS N06075) Chemical Composition
Element | Content (%) |
Nickel: | 76 Balance |
Cobalt: | 1 max. |
Chromium: | 20 |
Iron: | 5 max |
Titanium: | 0.4 |
Manganese: | 1 max. |
Silicon: | 1 max. |
Aluminum: | 0.4 max. |
Titanium: | 0.4 |
Carbon: | 0.11 |
Haynes 75 (UNS N06075)Physical Properties
Physical Property | British Units | Metric Units |
Density | RT | 0.302 lb/in3 | RT | 8.37 g/cm3 |
Melting Range | 2445-2515°F | - | 1340-1380°C | - |
Electrical Resistivity | 400°F | 44.1 μohm-in | 200°C | 112μohm-cm |
800°F | 46.0 μohm-in | 400°C | 117 μohm-cm |
1000°F | 45.5 μohm-in | 600°C | 115 μohm-cm |
1200°F | 45.3 μohm-in | 700°C | 115 μohm-cm |
1400°F | 45.3 μohm-in | 800°C | 115 μohm-cm |
1600°F | 45.3 μohm-in | 900°C | 115 μohm-cm |
1800°F | 45.6 μohm-in | 1000°C | 116 μohm-cm |
Thermal Conductivity | 800°F | 133 Btu-in/ft2-hr-°F | 400°C | 18.6 W/m-°C |
1000°F | 149 Btu-in/ft2-hr-°F | 600°C | 22.7 W/m-°C |
1200°F | 164 Btu-in/ft2-hr-°F | 700°C | 24.7 W/m-°C |
1400°F | 179 Btu-in/ft2-hr-°F | 800°C | 26.5 W/m-°C |
1600°F | 193 Btu-in/ft2-hr-°F | 900°C | 28.4 W/m-°C |
1800°F | 207 Btu-in/ft2-hr-°F | 1000°C | 30.1 W/m-°C |
Mean Coefficient of Thermal Expansion | 70-800°F | 7.9 μin/in -°F | 20-500°C | 14.3 μm/m-°C |
70-1000°F | 8.2 μin/in -°F | 20-600°C | 15.0 μm/m-°C |
70-1200°F | 8.5 μin/in -°F | 20-700°C | 15.4 μm/m-°C |
70-1400°F | 8.9 μin/in -°F | 20-800°C | 16.5 μm/m-°C |
70-1600°F | 9.4 μin/in -°F | 20-900°C | 17.1 μm/m-°C |
70-1800°F | 10.3 μin/in -°F | 20-1000°C | 18.2 μm/m-°C |
Dynamic Modulus of Elasticity | 70°F | 32.0 x 106 psi | 20°C | 221 GPa |
400°F | 30.5 x 106 psi | 200°C | 210 GPa |
800°F | 28.2 x 106 psi | 400°C | 197 GPa |
1000°F | 27.0 x 106 psi | 600°C | 181 GPa |
1200°F | 25.5 x 106 psi | 700°C | 173 GPa |
1400°F | 24.6 x 106 psi | 800°C | 165 GPa |
1600°F | 22.6 x 106 psi | 900°C | 153 GPa |
1800°F | 20.5 x 106 psi | 1000°C | 140 GPa |
Tensile Properties, Sheet 1925°F (1050°C)/Bright Anneal
Form | Test Temperature | 0.2% Offset Yield Strength | Ultimate Tensile Strength | Elongation |
Sheet | °F | °C | ksi | MPa | ksi | MPa | % |
RT | RT | 59.4 | 407 | 114.4 | 792 | 31 |
1000 | 538 | 51.9 | 363 | 105.6 | 726 | 27 |
1200 | 649 | 40.0 | 275 | 69.3 | 473 | 32 |
1400 | 760 | 22.0 | 152 | 41.4 | 286 | 75 |
1600 | 871 | 9.9 | 68 | 20.2 | 139 | 90 |
1800 | 982 | 4.4 | 31 | 9.7 | 66 | 91 |
Heat Treatment
Haynes75 high-temperature alloy is usually subjected to solution treatment and aging treatment to improve its strength and heat resistance. The solid solution treatment temperature is about 1100 ° C, and the aging treatment temperature is about 750 ° C.
Mechanical Property
Haynes75 high-temperature alloy has excellent high-temperature strength and oxidation resistance, suitable for working conditions under high temperature, high pressure, and corrosive environments. Its mechanical performance is stable, with good creep resistance and fatigue resistance.
Welding Technology
Haynes75 high-temperature alloy can be welded using TIG (argon arc welding), MIG (metal inert gas welding), electron beam welding, and other methods to ensure the quality of the welded joint and alloy properties. During the welding process, attention should be paid to controlling the welding temperature and speed to avoid problems such as alloy deterioration or cracking, in order to ensure the quality and strength of the welded joint.
Overall, Haynes75 high-temperature alloy, as a high-performance high-temperature alloy material, has important applications in various fields. Its excellent mechanical and heat resistance properties make it one of the preferred materials for many high-temperature conditions.
Haynes 75 Specifications
UNS Number:N06075
Werkstoff Number:2.4951, 2.4630
Standards: ASTM B637, RRMS 33030/1 (MSRR 7004), 7022, 7063, 7070, 7162, 7193, 7952, BS: HR 203, 3HR1, HR3, HR4, BS4HR 601
Lork Group is an supplier of industrial metals to the global aerospace, oil and gas, power generation, petrochemical, bio-medical, pharmaceutical, and other high tech manufacturing industries. Products of premium metal products including
Inconel alloys,
Incoloy alloys,
Monel alloys,
Haynes alloys,
Hastelloy alloy,
stainless steeland
other superalloy. We certify to most ASME, ASTM, AMS, and military specifications as well as most international standards certification.
