Alloy901
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Alloy 901 is an iron-nickel-chromium based austenitic age-hardenable alloy. Foreign standards include AMS 5660 and AMS 5661; the domestic equivalent is GH2901.
Product name：
High-temperature alloy
Material：
nitronic60
Warehouse：
Tianjin
Surface treatment：
Pickled/bright/black etc.
Category：
Keyword：
Alloy901
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Details description
Chemical Composition
Mainly contains nickel (Ni) ≥42%, iron (Fe) ≤35%, chromium (Cr) 12.5%-14.5%, titanium (Ti) 5.0%-5.5%, aluminum (Al) 2.5%-3.5%, molybdenum (Mo) 0.8%-1.5%, and other elements such as carbon (C) ≤0.10%, manganese (Mn) ≤0.50%, silicon (Si) ≤0.50%.
Physical Properties
Density is approximately 8.14g/cm³, specific heat capacity 431J/kg (20℃), melting range is 1280-1345℃, resistivity 112µΩ・cm (20℃).
Mechanical Properties: After solution treatment, the tensile strength can reach 1500MPa, the yield strength can reach 1100MPa, and the elongation is approximately 15%.
Performance Characteristics
Excellent high-temperature performance: It has high yield strength and creep strength below 650℃, good oxidation resistance below 760℃, and stable long-term use organization.
Good corrosion resistance: It can operate stably for a long time in harsh environments such as acid, salt water, chlorides, nitric acid, and alkaline media.
Good machinability and weldability: Different shapes and sizes of materials can be obtained through hot processing and cold processing, and various welding processes can also be used for welding.
Processing Technology: Forging temperature is between 1121-1010℃. Light hot working can further reduce the temperature to 871℃, but it cannot be lower than this temperature. When processing quickly, the metal temperature should not exceed 1121℃. Inert gas arc welding can be used. Welding should be carried out in the solution treatment state. Cold-worked parts should be solution treated again before welding. After welding, it is recommended to perform solution treatment again, followed by stabilization and aging treatment.
Application Fields
It is widely used in the manufacture of rotating disk-shaped parts for aero and ground gas turbine engines operating below 650℃, such as turbine disks, compressor disks, journals, etc. It can also be used for static structural parts, turbine outer rings, and fasteners.
Implementation Standards: International standards include AMS 5660 and AMS 5661, and the corresponding domestic standard is GH2901.
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