Difference between Inconel 601 and 625 sheet metal
Difference between Inconel 601 and 625 sheet metal
The main difference between Inconel 601 and 625 sheet metal lies in their composition, which results in differences in corrosion resistance, strength, and ideal applications. Inconel 601 is a nickel-chromium alloy with excellent resistance to high-temperature oxidation; while Inconel 625, due to the addition of molybdenum and niobium, has superior corrosion resistance, fatigue strength, and strength at both high and low temperatures.
What are the applications of Inconel 601?
The properties of Inconel 601 alloy make it a widely used material in fields such as heat treatment, chemical processing, pollution control, aerospace, and power generation. 601 alloy is a standard structural material for various heat treatment equipment.
Equivalent Grades of Inconel 601 / 625 Sheets, Plates
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 601 | 2.4851 | N06601 | NCF 601 | NA 49 | XH60BT | NC23FeA | NiCr23Fe |
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
Chemical Composition of Inconel 601, 625 Sheets and Plates
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 601 | 0.10 max | 1.0 max | 0.5 max | 0.015 max | 1.0 max | Balance | 58.0 – 63.0 | 21.0 – 25.0 |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | - | 5.0 max | 58.0 min | 20.0 - 23.0 |
Alloy 601 / 625 Sheets, Plate Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 601 | 8.1 g/cm3 | 1411 °C (2571 °F) | Psi – 80,000 , MPa – 550 | Psi – 30,000 , MPa – 205 | 30 % |
| Inconel 625 | 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
Gnee Steel Steel plate and coil production flow chart
Applications of Inconel 601 Sheet Metal
Inconel 601 sheet metal has a wide range of applications, including:
Tubing for heat dissipation
Tubing for power generation
Tubing for chemical conversion
Grids for catalyst support
Aerospace
Tubing for heat treatment
Applications of Inconel 625 Tubing
Inconel 625 alloy tubing is used in the following applications:
Aircraft piping systems
Aerospace
Jet engine exhaust systems
Engine thrust reversers
Specialized seawater treatment equipment
Chemical process equipment
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of Incoloy alloy tubes/bars/plates/fittings/coils, fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value for money.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), chemical composition certificate, and mechanical property certificate.
✅ Value-added services: slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documents.
Email: ss@gneemetal.com
Gnee Steel is a supplier of Inconel 601/625 alloy, offering a wide range of products including: seamless pipe (sizes: 4-219 mm; thickness: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm; thickness: 0.5-20 mm); plates (thickness: 0.1 to 100 mm; width: 10-2500 mm); strips; alloy round bars (diameter: 3-800 mm); flat bars (thickness: 2-100 mm; width: 10-500 mm); hexagonal bars (size: 2-100 mm); wire rods; and extruded profiles. We collaborate with steel mills to provide our customers with Inconel 601/625 alloy products that meet or exceed numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS standards.
Gnee Steel stocks and sells Inconel 601/625, pipes, plates, strips, round bars, flat bars, forged billets, hexagonal steel, wire rods, and extruded profiles. Please feel free to contact us at ss@gneesteel.com for a quote.
