Hex Bar Inconel 625 2.4856 UNS N06625 Alloy Hexagon Bar
Hex Bar Inconel 625 is a high-performance nickel-chromium alloy known for its exceptional strength, corrosion resistance, and ability to withstand extreme temperatures. Below is a detailed description of its properties, composition, and applications:
| Grade | UNS | Density | Tensile Strength (MPa min) | Yield Strength (MPa min) | Reduction of Area min (%) | Elongation min (%) | Hardness (HRC) |
| INCONEL 625 | N06625 | 8.44 | 827MPa | 414MPa min | / | 30% | 35 max |
Chemical Composition(%):
| Ni | Cr | C | Fe | Mn | Si | S |
| 58min | 20.0-23.0 | 0.1max | 2.0max | 0.5max | 0.5max | 0.015max |
| P | Al | Ti | Mo | Nb | | |
| 0.015max | 0.4max | 0.4max | 8.0-10.0 | 3.15-4.15 | | |
Key Properties
- Corrosion Resistance: Inconel 625 is highly resistant to a wide range of corrosive environments, including seawater, acidic, and alkaline conditions. It also resists chloride-ion stress-corrosion cracking.
- High-Temperature Strength: The alloy maintains excellent mechanical properties at elevated temperatures (up to 1800°F or 982°C) due to the strengthening effect of niobium and molybdenum.
- Oxidation Resistance: It forms a protective oxide layer that prevents degradation in high-temperature oxidizing environments.
- Fatigue Resistance: Inconel 625 exhibits excellent fatigue strength, making it suitable for cyclic loading applications.
- Weldability: The alloy is easily weldable using common welding techniques, and it retains its corrosion resistance in welded conditions.
Applications
Inconel 625 hex bars are used in industries where high strength, corrosion resistance, and thermal stability are critical. Common applications include:
- Aerospace: Components like engine exhaust systems, turbine seals, and thrust reversers.
- Marine: Submarine components, propeller blades, and seawater equipment.
- Chemical Processing: Reactors, heat exchangers, and piping systems.
- Oil and Gas: Downhole and surface equipment exposed to harsh environments.
- Nuclear: Reactor core components and control rod mechanisms.
Advantages of Hex Bar Inconel 625
- Superior resistance to corrosion and oxidation.
- Excellent mechanical properties at both high and low temperatures.
- Versatility in fabrication and welding.
- Long service life in demanding environments.
| Grade | UNS | DIN |
| Monel 400 | N04400 | W.Nr. 2.4360 |
| Monel K-500 | N05500 | W.Nr. 2.4375 |
| Inconel 625 | N06625 | W.Nr. 2.4856 |
| Inconel 718 | N07718 | W.Nr. 2.4668 |
| Inconel X-750 | N07750 | W. Nr. 2.4669 |
| Inconel 600 | N06600 | W.Nr. 2.4816 |
| Inconel 601 | N06601 | W.Nr. 2.4851 |
| Incoloy 825 | N08825 | W.Nr. 2.4858 |
| Incoloy A-286 | S66286 | W.Nr.1.4980 |
| Hastelloy C-276 | N10276 | W.Nr.2.4819 |
| Hastelloy C-22 | N06022 | W.Nr.2.4602 |
| Hastelloy C-4 | N06455 | W.Nr.2.4610 |
| Hastelloy B-3 | N10675 | W.Nr.2.4600 |
| Hastelloy X | N06002 | W.Nr.2.4665 |
| Hastelloy B-2 | N10665 | W.Nr.2.4617 |



