Comparison of Nickel 600 and EN 1.4584 Stainless Steel

Comparison of Nickel 600 and EN 1.4584 Stainless Steel
Nickel 600 (a high-nickel alloy) performs exceptionally well in extreme high-temperature and corrosive environments, offering superior strength and oxidation resistance compared to stainless steel. EN 1.4584 (a cast stainless steel), due to its high nickel, chromium, and molybdenum content, exhibits excellent resistance to pitting and crevice corrosion, good weldability, and lower cost, making it suitable for applications requiring strong chemical/marine properties but not the extreme heat resistance of Inconel alloys. The main difference lies in the nickel content: Nickel 600's higher nickel content (over 72%) aims to enhance its high-temperature strength, while 1.4584 balances its alloy composition to achieve a broader range of high-performance corrosion resistance, making it a more cost-effective advanced stainless steel option.
Is Inconel 600 better than SS 304?
Stainless steel 304 is a versatile and cost-effective general-purpose material, while Inconel 600 performs exceptionally well under extreme conditions. Understanding the properties and applications of these materials will help you choose the right alloy for your needs.

Nickel 600 (Alloy 600/UNS N06600)
Type: Nickel alloy.
Composition: Mainly composed of nickel (minimum 72%), chromium (14-17%), iron (6-10%), and trace amounts of other elements.
Main advantages: Excellent resistance to high temperatures, reducing/oxidizing environments, and corrosion; maintains strength at high temperatures. Applications: Furnace components, chemical processing, aerospace, high-temperature reactors.
EN 1.4584 (GX2NiCrMoCu25-20-5)
Type: Cast stainless steel (ferroalloy).
Composition: High content of nickel, chromium, molybdenum, and copper (specific proportions vary). Main advantages: Good corrosion resistance, superior to standard stainless steel due to nickel/molybdenum content, but generally inferior to Alloy 600 under extreme conditions.
Applications: Shipbuilding, chemical, pulp and paper industries; commonly used for cast parts requiring enhanced corrosion resistance.
Chemical Composition Comparison: Nickel 600 vs. EN 1.4584 Steel
| Element | Nickel 600 (UNS N06600) | EN 1.4584 Steel (X6CrNiMoTi17-12-2 / 1.4571 w/ Ti) |
|---|---|---|
| Iron (Fe) | 6.0 - 10.0 % | Balance (~60-65%) |
| Nickel (Ni) | ≥ 72.0 % | 11.0 - 13.0 % |
| Chromium (Cr) | 14.0 - 17.0 % | 16.5 - 18.5 % |
| Molybdenum (Mo) | – | 2.0 - 2.5 % |
| Titanium (Ti) | – | 5×C% - 0.70% (typically ~0.40%) |
| Manganese (Mn) | ≤ 1.00 % | ≤ 2.00 % |
| Silicon (Si) | ≤ 0.50 % | ≤ 1.00 % |
| Carbon (C) | ≤ 0.15 % | ≤ 0.08 % |
| Phosphorus (P) | ≤ 0.015 % | ≤ 0.045 % |
| Sulfur (S) | ≤ 0.015 % | ≤ 0.015 % |
| Copper (Cu) | ≤ 0.50 % | – |
Application Comparison: Nickel 600 vs. EN 1.4584 Steel
| Industry / Application Area | Nickel 600 | EN 1.4584 Steel |
|---|---|---|
| Material Classification | Nickel-Chromium Alloy | Titanium-Stabilized Austenitic Stainless Steel |
| Core Application Principle | Selected for exceptional high-temperature oxidation resistance, strength at temperature, and specific corrosion resistance (e.g., to hot caustics). | Selected for good general corrosion resistance in aqueous environments, with guaranteed resistance to intergranular corrosion after welding, especially in mildly corrosive chloride media. |
| Chemical & Petrochemical | Primary Use: Furnace muffles, retorts, radiant tubes, heat exchanger tubing, and equipment for caustic (NaOH) production and handling. | Tanks, pipelines, reactors, and heat exchangers for handling organic acids, nitric acid, and various chemical solutions where welded construction is used and chloride exposure is mild to moderate. |
| Pharmaceutical & Food | High-purity process lines, evaporators, and reactors where contamination must be avoided. | Fermentation tanks, mixing vessels, piping, and storage tanks requiring good cleanability and corrosion resistance. |
| Thermal Processing | Primary Use: Continuous service up to ~1175°C (2150°F) in heat-treating furnaces, annealing covers, and carburizing baskets. | Not suitable for high-temperature structural service; may be used for fixtures or parts in lower-temperature process ovens. |
| Power Generation | Nuclear reactor control rod drive mechanisms, steam generator tubing (older designs), and high-temperature bolting. | Condenser tubes, feedwater heaters, and auxiliary piping systems in conventional power plants. |
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 600 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 600 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 600, 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.






