What is Inconel 600 material?
Inconel 600 is a high-performance nickel-chromium alloy known for its excellent resistance to heat, corrosion (especially chloride-ion stress-corrosion cracking), and oxidation, maintaining strength from cryogenic temperatures up to 2000°F (1093°C). It's a standard engineering material used in demanding applications like furnace parts, chemical processing, nuclear reactors, and aerospace for its high strength, good workability, and non-magnetic properties.
What type of alloy is Inconel 625?
Inconel 625 is a high-performance nickel-chromium-molybdenum alloy, known for its exceptional strength, fabricability, and outstanding resistance to a broad range of corrosive environments, from cryogenic temperatures to high heat (up to 1800°F/980°C). Its strength comes from the solid solution effects of molybdenum (Mo) and niobium (Nb) within the nickel-chromium matrix, making it ideal for severe marine, aerospace, and chemical processing applications.
Inconel 600 vs. Inconel 625: Key Differences
Inconel 600 vs Inconel 625: Material Overview
| Grade | Common Name | UNS | Key Feature |
|---|---|---|---|
| Inconel 600 | Nickel-Chromium Alloy | N06600 | Excellent oxidation resistance up to 1093°C |
| Inconel 625 | Nickel-Chromium-Molybdenum Alloy | N06625 | High strength and superior corrosion resistance |
Inconel 600 vs Inconel 625:Chemical Composition (wt.%)
| Element | Inconel 600 | Inconel 625 |
|---|---|---|
| Nickel (Ni) | 72 min | 58–63 |
| Chromium (Cr) | 14–17 | 20–23 |
| Iron (Fe) | Balance | ≤ 5 |
| Molybdenum (Mo) | 0–1 | 8–10 |
| Niobium + Tantalum (Nb+Ta) | 0 | 3.15–4.15 |
| Carbon (C) | 0.15 max | 0.10 max |
| Manganese (Mn) | 1 max | 0.50 max |
| Silicon (Si) | 0.50 max | 0.50 max |
Inconel 600 vs Inconel 625:Mechanical Properties (Typical, Annealed)
| Property | Inconel 600 | Inconel 625 |
|---|---|---|
| Yield Strength (0.2%) | 206 MPa | 414 MPa |
| Tensile Strength | 515 MPa | 827 MPa |
| Elongation | ≥ 40% | ≥ 30% |
| Hardness (HRB) | 95 | 95–100 |
| Service Temperature | Up to 1093°C | Up to 980°C |
Inconel 600 vs Inconel 625: Hardness (HRC)
Inconel 600 typically exhibits a hardness of HRC 20–25 in the annealed condition, reflecting its moderate strength and high ductility. In contrast, Inconel 625, due to its higher nickel, molybdenum, and niobium content, shows a higher hardness of approximately HRC 25–32 in the annealed state, providing superior wear resistance and high-temperature strength for demanding applications such as aerospace, marine, and chemical processing.
What is the difference between Inconel 600 and Inconel 625?
Inconel 625 is immune to chloride stress-corrosion cracking and pitting, making it the ideal choice for applications in harsh marine environments. Regarding oxidation resistance, Inconel 625 has surpassed Inconel 600 as it has higher chromium and molybdenum content and performs better even in extreme temperatures.
Inconel 625 suppliers
At GNEE, Inconel 625 is available in various forms to meet diverse industrial needs:
Plates and Sheets (cold rolled and hot rolled)
Bars and Rods (round, square, hexagonal)
Tubes (seamless and welded)
Wires and Strips (for springs, fasteners, electrical applications)
Forgings and Custom Parts (according to drawings or specifications)
Testing and Documentation: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Testing Reports, Non-Destructive Testing Reports, PMI Test Reports, Visual Inspection Reports, Third-Party Inspection Reports, NABL Certified Laboratory Reports.
Packaging: Wooden crates, bubble wrap, steel strapping, or packaged according to customer requirements.
