Inconel 686
Description
A corrosion-resistant superalloy with over 55% nickel, plus chromium, molybdenum, and cobalt. It performs in aggressive chemical, marine, and high-pressure environments, offering superior protection against localized corrosion like pitting and cracking.
Application：
- Acid production equipment
- Seawater piping
- Scrubbers
- Gas turbines
- Chemical processing
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Product Specification
Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.72 g/cm³ | 0.315 lb/in³ |
| Melting point | 1338-1380 ° C | 2440-2520 ° F |
| 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 expansion co-efficient (@21-100° C/69.8-212° F) | 11.97 μm/m° C | 6.650 μin/in° F |
Chemical Composition
| Item | C | Mn | Fe | P | S | Si | Cu | Ni | Co | Al | Ti | Cr | W | Mo | B |
| Incone 686 | ≤0.01 | ≤0.75 | ≤5 | ≤0.04 | ≤0.02 | ≤0.08 | – | ≥59 | ≤10 | – | 0.02-0.25 | 19-23 | 3-4.4 | 15-17 | – |
Related Products
Ultimate Strength (≥ MPa): 790
Maximum temperature: 1093 Celsius
Resistance (μΩ.m): 1.15
