.png){kind=small}
|
Grade |
W.Nr. |
UNS |
Nickel Alloys |
|
Nimonic 75 |
Alloy 75 (2.4951 / 2.4630) |
N06075 |
Nimonic 75 / Alloy 75 is a nickel-based alloy that maintains structural stability at high temperatures and offers a balanced combination of oxidation resistance and mechanical strength. In the annealed condition, it provides good ductility and is suitable for forming and welding operations. Its ability to retain useful strength under elevated temperature, withstand thermal cycling and deliver reliable performance in long-term service makes this grade a preferred option for high-temperature applications.
|
Ni % |
Cr % |
C % |
Mn % |
Si % |
Ti % |
Cu % |
Fe % |
S % |
|
Balance |
18.00 – 21.00 |
0.08 – 0.15 |
1.00 max. |
1.00 max. |
0.20 – 0.60 |
0.50 max. |
5.00 max. |
0.015 max. |
|
Product Form |
Size Range |
Rp0.2 MPa |
Rm MPa |
Elongation [%] |
Hardness [HB] |
Density [g/cm3] |
|
Round Bar |
≤ 100 mm |
≥ 240 |
≥ 650 |
≥ 25 |
≤ 230 |
8.4 |
|
Plate |
≤ 20 mm |
≥ 240 |
≥ 650 |
≥ 25 |
≤ 230 |
8.4 |
|
Sheet / Strip |
≤ 2.5 mm |
≥ 240 |
≥ 650 |
≥ 25 |
≤ 230 |
8.4 |
|
Industry / Application Area |
Products |
|
Aerospace and aircraft gas turbines |
Combustion chamber components, hot gas ducting components, turbine casing components |
|
Industrial gas turbines and energy |
Turbine casing components, combustion-zone components, hot air / exhaust ducting components |
|
Industrial furnaces and heat-treatment equipment |
Furnace internal support and carrying parts, heat-treatment jigs / fixtures, high-temperature furnace components |
|
High-temperature fasteners |
Bolts, studs, nuts / special fasteners |
|
Springs, dies and hot-work components |
High-temperature springs, die components, core parts |
|
Measurement and instrumentation |
Thermocouple sheaths, sensor protection sleeves, high-temperature probe sheaths |
Nimonic 75 / Alloy 75 shows good ductility in the annealed / solution annealed condition and is suitable for hot and cold forming operations. Due to its nickel-based structure, it tends to work harden during machining; therefore, sharp tools, rigid machine setup, controlled cutting parameters and adequate cooling are recommended. Intermediate annealing may be required if heavy deformation is applied during cold forming. The alloy is generally weldable and can be joined by common welding methods such as TIG, MIG and shielded metal arc welding. Before welding, the surface should be clean and free from oxide, grease and paint residues; low heat input is preferred and interpass temperature should be controlled. In most applications, preheating or post-weld heat treatment is not required. These characteristics make Nimonic 75 a balanced option in terms of manufacturability and service reliability for high-temperature components.
Nimonic 75, Alloy 75, HAYNES® 75 Alloy, VDM® Alloy 75, Nicrofer 7520, UNS N06075, W.Nr. 2.4951, W.Nr. 2.4630, NiCr20Ti, DIN NiCr20Ti, AFNOR NC20T, AICMA Ni-P91HT
|
Product Form |
Standards |
|
Round Bar |
BS HR 5, BS HR 504, DIN 17752, ISO 9723-25 |
|
Plate |
BS HR 203, DIN 17750, ISO 6208 |
|
Sheet |
BS HR 203, DIN 17750, ISO 6208 |
|
Strip |
BS HR 203, DIN 17750, ISO 6208 |
|
Wire |
BS HR 5, DIN 17752, ISO 9723-25 |
|
Tube-Pipe |
BS HR 403, DIN 17751, ISO 6207 |
Special Metals — NIMONIC® Alloy 75
VDM Metals — VDM® Alloy 75 / Nicrofer 7520
Haynes International — HAYNES® 75 Alloy
Note: The information provided in this data sheet is for informational purposes only; no liability is accepted.
