Nb521 Nb5W2Mo1Zr Niobium-Tungsten Alloy Bar, Wire, and Plate
- Type: Bar, Wire, Foil, Sheet, Strip, and Plate
- Niobium-Tungsten Alloy
- Grade: Nb521, Nb5W2Mo1Zr
Features
Nb521 Nb5W2Mo1Zr Niobium-Tungsten Alloy Bar, Wire, and Plate
Nb521 Alloy Bar Chemical Composition (wt.%)
| Element | Weight Percent (wt.%) |
| W (Tungsten) | 5.14 |
| Mo (Molybdenum) | 1.87 |
| Zr (Zirconium) | 1.33 |
| C (Carbon) | 0.0095 |
| N (Nitrogen) | 0.006 |
| O (Oxygen) | 0.01 |
| Cu (Copper) | 0.001 |
| Ti (Titanium) | 0.016 |
| Fe (Iron) | 0.001 |
| Si (Silicon) | 0.0028 |
| Ta (Tantalum) | 0.59 |
| Nb (Niobium) | Balance |
Mechanical Properties of Nb521 Alloy Sheet and Bar
| Property (Sheet) | Value (MPa or % or GPa) | Property (Bar) | Value (MPa or % or GPa) |
| Tensile Strength | 440 MPa | Tensile Strength | 470 MPa |
| Yield Strength (0.2% offset) | 328 MPa | Yield Strength (0.2% offset) | 340 MPa |
| Elongation | 31% | Elongation | 36% |
| Reduction of Area | 77% | Reduction of Area | – |
| Modulus of Elasticity (E) | 124 GPa | Modulus of Elasticity (E) | – |
| – | – | Angle of Twist (θ) | 180° |
High-Temperature Mechanical Properties of Nb521 Alloy Sheet and Bar
| Temperature (°C) | Sheet Tensile Strength [MPa] | Bar Tensile Strength [MPa] | Sheet Yield Strength (0.2% offset) [MPa] | Bar Yield Strength (0.2% offset) [MPa] |
| 1450 | 157 | 134 | 130 | 128 |
| 1500 | 135 | 113 | 119 | 108 |
| 1550 | 110 | 109 | 110 | 104 |
| 1600 | 100 | 93 | 85 | 81 |
| 1700 | 83 | 80 | 75 | 74 |
| 1800 | 63 | 65 | 60 | 59 |
| Properties | Value |
| Melting Point | 2630℃ |
| Density | 8.65 – 9.00 g/cm3 |
Technical Specifications
| Specification | Value |
| Standard | Nb521 Nb5W2Mo1Zr Niobium-Tungsten Alloy Bar Wire Plate |
| Grade | Nb521, Nb5W2Mo1Zr |
| Type | Bar, Wire, Foil, Plate, Sheet, Strip |
| Dimension | Round Bar & Wire Diameter: 1 – 200mm Foil Width:≤150mm x Thickness:≤0.13mm Plate Width:≥150mm x Thickness:≥4.8mm Sheet Width:≥150mm x Thickness: 0.13-4.8mm Strip Width:≤150mm x Thickness:0.13-4.8mm |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical analysis, Tensile test, Intergranular corrosion test, Flatness %=(H/L) x 100, Metallographic examination |
Packing
Packed in plywood boxes.
Application
Aerospace: Utilized in rocket engine components, such as nozzles and combustion chambers, due to its high-temperature strength and creep resistance.
Gas Turbines: Finds application in high-performance gas turbine engines for components like blades and vanes that experience extreme temperatures and stresses.
Nuclear Industry: Used in specific nuclear reactor applications where high-temperature strength and corrosion resistance are crucial.
Chemical Processing: Employed in some high-temperature chemical processing equipment due to its strength and corrosion resistance.
