What are the differences between Inconel 601 and Incoloy 825 round bars?
What are the differences between Inconel 601 and Incoloy 825 round bars?
Inconel 601 rods prioritize high-temperature strength and oxidation resistance (high nickel-chromium alloy containing aluminum), making them ideal for furnace components. In contrast, Incoloy 825 round bars, due to their balanced nickel-iron-chromium-molybdenum-copper composition, excel in resisting strong acids such as sulfuric acid, making them highly suitable for chemical processing and pollution control equipment. However, Incoloy 825 alloy rods have lower strength at extremely high temperatures than Inconel 601 rods and are more suitable for corrosion-resistant applications in reducing/oxidizing acid environments. The main difference between the two lies in Inconel 601's superior high-temperature strength and Incoloy 825's superior acid corrosion resistance, which stems from their different alloy elements and nickel content.
What is incoloy 825?
Incoloy 825 is a superalloy based on Incoloy 800, with the addition of molybdenum and copper. This gives Incoloy 825 superior corrosion resistance compared to Incoloy 800. This article will discuss in detail the performance comparison between Incoloy 800 and Incoloy 825.
Inconel 601 / Incoloy 825 Round Bars Specifications
| Dimensions : ASTM, ASME and API |
| Specifications : ASTM / ASME SB 166, ASTM / ASME B 446 , ASTM / ASME B 637, ASTM B 511, ASTM B 408. |
| Length : 100 mm To 3000 mm Long & Above |
| Size : 5 mm To 500 mm Dia in 100 mm TO 6000 mm Length available with NACE MR 01-75. |
| Finish : Bright, Polish & Black |
| Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
Inconel 601/incoloy 825 Round Bars Specifications
| STANDARD | UNS | WERKSTOFF NR. | BS | JIS | AFNOR | GOST | EN |
| Inconel 601 | N06601 | 2.4851 | NA 49 | NCF 601 | NC23FeA | XH60BT | NiCr23Fe |
| Incoloy 825 | N08825 | 2.4668 | – | – | – | – | – |
Inconel 600 and Incoloy 825 – Corrosion Resistance
Both alloys are known for their excellent corrosion resistance, but they excel in different environments. Inconel 600 is particularly resistant to oxidation and corrosion in high-temperature oxidizing atmospheres, such as those encountered in furnace components and heat treatment equipment. Conversely, Incoloy 825 exhibits superior corrosion resistance in reducing environments and acidic media, making it a preferred material for chemical processing equipment and seawater applications.
Inconel 600 and Incoloy 825 – Applications
The differing properties of Inconel 600 and Incoloy 825 dictate their applications in various industrial sectors. Inconel 600 is commonly used in the oil and gas industry, particularly in high-temperature, high-pressure environments where corrosion resistance is crucial. It is also used in nuclear power plants and in the manufacture of heat exchangers and furnaces. On the other hand, Incoloy 825 finds widespread use in the chemical processing industry due to its excellent corrosion resistance to reducing acids and chloride-containing environments. It is also used in desalination plants and marine environments due to its superior resistance to seawater corrosion.
Why Choose Gnee as Your Nickel-Based Alloy Supplier
✅ Over 18 years of export experience, products sold to more than 80 countries
✅ Certified by ISO, SGS, and BV
✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars
✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging
✅ Fast delivery within 7-15 days, supported by global logistics partners
📦 Packaging and Shipping
All stainless steel products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel is a supplier of inconel 601 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 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, 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.
