Inconel 686 (UNS N06686)
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Chemical Composition The following table shows the chemical composition of Inconel 686™. Element Content (%) Nickel, Ni 59 Chromium, Cr 19-23 Molybdenum, Mo 15-17 Iron, Fe ≤ 5 Tungsten, W 3.0-4.40 Manganese, Mn ≤ 0.75 Phosphorous, P ≤ 0.040 Sulfur, S ≤ 0.020 Titanium, Ti 0.020-0.25 Carbon, C ≤ 0.010 Physical Properties The physical properties of Inconel 686™ are outlined in the following table. Properties Metric Imperial Density 8.72 g/cm³ 0.315 lb/in³ Melting...
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Chemical Composition
The following table shows the chemical composition of Inconel 686™.
| Element | Content (%) |
|---|---|
| Nickel, Ni | 59 |
| Chromium, Cr | 19-23 |
| Molybdenum, Mo | 15-17 |
| Iron, Fe | ≤ 5 |
| Tungsten, W | 3.0-4.40 |
| Manganese, Mn | ≤ 0.75 |
| Phosphorous, P | ≤ 0.040 |
| Sulfur, S | ≤ 0.020 |
| Titanium, Ti | 0.020-0.25 |
| Carbon, C | ≤ 0.010 |
Physical Properties
The physical properties of Inconel 686™ are outlined in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.72 g/cm³ | 0.315 lb/in³ |
| Melting point | 1338-1380 °C | 2440-2520 °F |
Mechanical Properties
The mechanical properties of Inconel 686™ are provided below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 721.9 MPa | 104700 psi |
| Yield strength (@strain 0.200%) | 364 MPa | 52800 psi |
| Elastic modulus | 207 GPa | 30000 ksi |
| Shear modulus | 77 GPa | 11200 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elongation at break | 71% | 71% |
Thermal Properties
The thermal properties of Inconel 686™ are given below.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@21-100°C/69.8-212°F) | 11.97 µm/m°C | 6.650 µin/in°F |
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