UNS S66286
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A286(UNS S66286) is a nickel-chromium austenitic precipitation-hardened stainless steel that is iron-based. The alloy is highly suitable for applications requiring high-strength corrosion resistance. A286 retains its high strength at elevated temperatures of 704°C (1300°F), and the material is produced by vacuum induction melting (VIM) or vacuum oxygen decarburisation (VOD). The alloy is then remelted using vacuum arc or electroslag remelting processes to complete the production cycle. A286 finds typical use in lower-stress applications at high temperatures and provides good corrosion and oxidation resistance.
Chemical Composition
The chemical composition of super alloy A-286 is outlined in the following table.
| Element | Content (%) |
|---|---|
| Iron, Fe | 54 |
| Nickel, Ni | 25.5 |
| Chromium, Cr | 14.8 |
| Titanium, Ti | 2.13 |
| Molybdenum, Mo | 1.30 |
| Manganese, Mn | 1.0 |
| Silicon, Si | 0.50 |
| Vanadium, V | 0.30 |
| Aluminum, Al | 0.18 |
| Carbon, C | 0.040 |
| Phosphorous, P | 0.020 |
| Sulfur, S | 0.015 |
| Boron, B | 0.0060 |
Physical Properties
The following table shows the physical properties of super alloy A-286.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.92 g/cm3 | 0.286 lb/in3 |
| Melting point | 1399°C | 2550°F |
Mechanical Properties
The mechanical properties of super alloy A-286 are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 1035 MPa | 150100 psi |
| Yield strength (@strain 0.200%) | 759 MPa | 110000 psi |
| Elongation at break | 25% | 25% |
| Reduction of area | 40% | 40% |
| Hardness, Brinell (estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball) | 304 | 304 |
| Hardness, Knoop (estimated from Rockwell C value) | 330 | 330 |
| Hardness, Rockwell C | 32 | 32 |
| Hardness, Vickers (estimated from Rockwell C value) | 318 | 318 |
Incoloy A-286 Characteristic
- It is an alloy material with high temperature strength and high temperature oxidation resistance.
- It has high yield strength, endurance and creep strength below 650°CC.
- It has good processing plasticity and satisfactory welding performance.
UNS S66286 Corrosion resistance
UNS S66286 nickel and chromium content provides corrosion resistance and antioxidant properties. The alloy has excellent oxidation resistance at service temperatures up to approximately 1300°F (700°C).
Packaging&Shipping
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