1. Definition
NIMONIC 90 is a nickel-based superalloy with excellent high-temperature strength, high-temperature creep properties and corrosion resistance, composed of nickel, chromium, molybdenum and other elements.
2. Chemical composition
The chemical composition of NIMONIC 90 is as follows:
Nickel (Ni): ≥50%
Chromium (Cr): 18-21%
Molybdenum (Mo): 15-21%
Iron (Fe): ≤1.5%
Titanium (Ti): ≤2%
Copper (Cu): ≤0.2%
Manganese (Mn): ≤1%
Silicon (Si): ≤1%
Carbon (C): 0.13-0.20%
Sulfur (S): ≤0.015%
Phosphorus (P): ≤0.02%
3. Production standard
The production standards of NIMONIC 90 include AMS 5829, BS HR2, DIN 17742, etc.
4. Corrosion resistance
NIMONIC 90 has excellent corrosion resistance and is able to perform well in a variety of corrosive media, especially under high temperature and high stress conditions. It can resist the erosion of various corrosive media such as oxidation, sulfidation and chlorination, and has excellent resistance to stress corrosion cracking and intergranular corrosion.
5. High temperature resistance
NIMONIC 90 has excellent high-temperature strength and high-temperature creep properties, and can work at high temperatures for a long time, and the maximum working temperature can reach 980°C.
6. Typical application range
NIMONIC 90 is widely used in aviation, aerospace, energy, chemical, petrochemical and other fields. It is widely used in aero-engines, gas turbines, turbochargers, combustion chambers, high-temperature components, oil refineries, steam turbines, nuclear reactors and other equipment.
7. Thermal processing
NIMONIC 90 is easy to process at high temperature, and can be hot processed by forging, hot rolling, hot extrusion, etc. to prepare parts of different shapes.
Eight, cold processing
NIMONIC 90 performs well in cold working, and can be cold worked by cold drawing, cold rolling, etc. to prepare parts of different shapes.
Nine, heat treatment
NIMONIC 90 can be heat treated by annealing, solid solution, aging, etc. to improve the mechanical properties and corrosion resistance of the material.
10. Machining
NIMONIC 90 can be machined by drilling, milling, turning, cutting, etc., but care needs to be taken to avoid excessive heating and excessive cutting to avoid compromising the properties of the material.
11. Welding
NIMONIC 90 can be welded by TIG, MIG, SMAW, etc. It is necessary to pay attention to the selection of appropriate welding materials and welding processes to ensure the quality and performance of welded joints.
12. Recommended welding materials
It is recommended to use ERNiCr-3 welding wire for welding.
Thirteen, material specific gravity
NIMONIC 90 has a specific gravity of 8.18 g/cm³.
Fourteen, mechanical properties
The mechanical properties of NIMONIC 90 are as follows:
Tensile strength: ≥1035 MPa
Yield strength: ≥690 MPa
Elongation: ≥20%
Hardness: ≤HB363
15. Range of available products
NIMONIC 90 is available in a range of products including pipes, plates, bars, flanges, fittings, etc. In the process of production and sales, it is necessary to pay attention to issues in quality control, delivery time management, customer service, etc., in order to meet the needs and requirements of customers.
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Post time: Aug-26-2023
