ARK Stainless INC. is a trusted manufacturer and supplier of premium Inconel 600/601/625/718 Flanges and Incoloy 800/825 Flanges, crafted from high-quality ferrous and non-ferrous alloys. We also offer custom flanges designed to meet specific client requirements and dimensions. All our flanges undergo rigorous quality control checks and are securely packaged to ensure safe delivery worldwide.
Our Inconel and Incoloy flanges are available in a wide array of specifications, including tolerances, pressure ratings, sizes, shapes, grades, thicknesses, surface finishes, and lengths. These high-performance flanges are ideal for use in harsh, high-temperature, and corrosive environments. The composition of these alloys includes essential elements such as Nickel, Chromium, Iron, Manganese, Silicon, Sulfur, Carbon, Copper, and Molybdenum, which enhance their strength, durability, and resistance to oxidation and corrosion.
We manufacture and supply a complete range of flanges, including Inconel 600 Flanges, Inconel 601 Flanges, Inconel 625 Flanges, Inconel 718 Flanges, Incoloy 800 Flanges, and Incoloy 825 Flanges. These flanges are compliant with ASTM and ASME standards and are extensively used in industries such as chemical processing, aerospace, power generation, and marine applications, owing to their superior mechanical properties and resistance to high temperatures.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 600 | 0.15 max | 1.0 max | 0.5 max | 0.015 max | 0.5 max | 6.0 - 10.0 | 72.0 min | 14.0 - 17.0 | - | - | - |
| Inconel 601 | 0.10 max | 1.0 max | 0.50 max | 0.015 max | 1.0 max | Balance | 58.0 – 63.0 | 21.0 – 25.0 | 1.0 – 1.7 | - | - |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | - | 5.0 max | 58.0 max | 20.0 - 23.0 | 8.0 - 10.0 | 1.0 max | 3.15 - 4.15 |
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015 max | 0.3 max | - | 50 - 55 | 17 - 21 | 2.8 - 3.3 | 1.0 max | - |
| Incoloy 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 | |
| Incoloy 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 | |
| Incoloy 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 | |
| Alloy 825 | 0.05 max | 1.0 max | 0.5 max | 0.03 max | 1.5 – 3.0 | 22.0 min | 38.0 – 46.0 | 19.5 – 23.5 | 0.2 max | 0.6 – 1.2 |
| Grade | Density | Melting Point | Tensile Strength (psi) | .2% Yield Strength (psi) | Elongation (%) |
|---|---|---|---|---|---|
| 600 (Inconel) | 8.47 g/cm³ | 1350 °C (2462 °F) | 95,000 | 45,000 | 40 |
| 601 (Inconel) | 8.31 g/cm³ | 1315 °C (2400 °F) | 80,000 | 30,000 | 35 |
| 625 (Inconel) | 8.44 g/cm³ | 1290 °C (2354 °F) | 105,000 | 45,000 | 45 |
| 718 (Inconel) | 8.90 g/cm³ | 1260 °C (2300 °F) | 130,000 | 80,000 | 25 |
| 800 (Incoloy) | 7.94 g/cm³ | 1385 °C (2525 °F) | 75,000 | 30,000 | 30 |
| 800H (Incoloy) | 7.94 g/cm³ | 1385 °C (2525 °F) | 80,000 | 32,000 | 30 |
| 800HT (Incoloy) | 7.94 g/cm³ | 1385 °C (2525 °F) | 80,000 | 32,000 | 30 |
| 825 (Incoloy) | 8.14 g/cm³ | 1400 °C (2550 °F) | 80,000 | 32,000 | 30 |
Inconel 600/601/625/718 Flanges are made from a blend of Nickel and Chromium, offering outstanding properties that make them highly sought after in various industries. These flanges are known for their exceptional oxidation resistance and ability to perform in harsh environmental conditions, making them ideal for high-temperature applications in manufacturing and processing sectors. Inconel is especially valued for its resilience in carburizing and chloride-exposed environments, providing superior corrosion resistance. These flanges are particularly effective in ammonia and nitrogen environments, making them indispensable in industries such as chemical processing, offshore drilling, petrochemical production, power generation, food processing, and more.
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | GOST | OR | BS | JIS | EN |
|---|---|---|---|---|---|---|---|---|
| Inconel 600 | N06600 | 2.4816 | NC15FE11M | МНЖМц 28-2,5-1,5 | ЭИ868 | NA 13 | NCF 600 | NiCr15Fe |
| Inconel 601 | N06601 | 2.4851 | NC23FeA | XH60BT | ЭИ868 | NA 49 | NCF 601 | NiCr23Fe |
| Inconel 625 | N06625 | 2.4856 | NC22DNB4M | ХН75МБТЮ | ЭИ602 | NA 21 | NCF 625 | NiCr22Mo9Nb |
| Inconel 718 | N07718 | 2.4668 | - | - | - | - | NCF 718 | - |
Incoloy 800/800HT/825 Flanges are highly recognized for their performance in various industrial applications such as condensers, power plants, pulp and paper industries, food processing units, pharmaceutical equipment, offshore oil drilling, petrochemical sectors, seawater systems, gas pipelines, fabrication setups, and heat exchangers. These flanges are designed to withstand high temperatures and harsh environments, making them ideal for demanding conditions. With exceptional corrosion resistance and durability, Incoloy 800/800HT/825 Flanges are manufactured using advanced heat treatment, welding, and chemical processing, ensuring superior hardness and ductility. Their excellent resistance to chemicals and high-temperature environments makes them a preferred choice for critical industrial operations.
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
|---|---|---|---|---|---|---|---|---|
| Incoloy 800 | 1.4876 | N08800 | ЭИ670 | Z8NC32-21 | NCF 800 | NA 15 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | ЭИ670 | Z8NC33-21 | NCF 800H | NA 15(H) | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | ЭИ670 | - | NCF 800HT | NA 15(HT) | X8NiCrAlTi32-21 | XH32T |
| Incoloy 825 | 2.4858 | N08825 | 协袩703 | NFE30C20DUM | NCF 825 | NA 16 | NiCr21Mo | XH38BT |
