Uns N19907 Superalloy Sheet For Gas Turbine Seals Incoloy Nickel Alloy 907 Plate
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Alloy 907 (Incoloy alloy 907) is a nickel-iron-cobalt alloy with additions of niobium and titanium for precipitation hardening. It has the low coefficient of expansion and high strength of alloy 903 but alloy 907 has improved notch-rupture properties at elevated temperatures. Alloy 907 is used for gas turbines components (seals, shafts, casings and other structural parts).
Incoloy 907 Application
▪ Gas turbine seals
▪ Casings
▪ Glass to metal sealing
Machinability
Incoloy 907 can be machined using conventional machining methods which are used for iron-based alloys. Machining operations are performed using commercial coolants. High-speed operations such as grinding, milling or turning, are performed using water-base coolants.
Specifications:
▪ UNS N19907
▪ Incoloy Alloy 907
Incoloy 907 Chemical Composition
| Elements | Content (%) |
| Iron, Fe | 42 |
| Nickel, Ni | 38 |
| Cobalt, Co | 13 |
| Niobium, Nb | 4.7 |
| Titanium, Ti | 1.5 |
| Silicon, Si | 0.15 |
| Aluminum, Al | 0.03 |
Incoloy 907 Mechanical Properties
| Properties | Metric | Imperial |
| Tensile strength (precipitation hardened, value at room temperature) | 1350 MPa | 196000 psi |
| Yield strength (@ strain 0.200%, precipitation hardened, value at room temperature) | 1100 MPa | 160000 psi |
| Poisson's ratio | 0.36 | 0.36 |
| Elongation at break (precipitation hardened) | 10% | 10% |
| Reduction of area | 36 | 36 |
Available Sizes And Specifications
| Alloy 907 available sizes and specifications | |
| Grade | Alloy 907 |
| Nickel plate | Thickness: 0.3mm - 150.0mm Width: 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 |
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