ARK Stainless INC. is a prominent manufacturer and supplier of top-grade Inconel 600/601/625/718 Forged Fittings, crafted from premium ferrous and non-ferrous alloys. We also provide customized fittings tailored to client-specific dimensions and technical requirements. Every fitting undergoes thorough quality checks and secure packaging to ensure safe delivery to our customers worldwide.
Our Inconel forged fittings are developed using a wide range of specifications including tolerances, pressure ratings, shapes, grades, standards, sizes, thicknesses, surface finishes, and lengths. These specifications enhance the performance of the fittings in challenging and corrosive environments. The composition includes key elements such as Nickel, Chromium, Iron, Manganese, Silicon, Sulfur, Carbon, Copper, and Molybdenum to improve strength and corrosion resistance.
We manufacture and supply a full range of forged fittings like Inconel 600 Forged Fittings, ASTM B564 Alloy 600/601/625/718 Threaded Fittings, Inconel 601 Socket Weld Elbows, Inconel 625 Forged Tees, and Inconel 718 Equal Tees. These fittings comply with ASTM and ASME standards and are widely used across various industries due to their high durability and metallurgical performance.
ARK Stainless INC.'s Inconel forged fittings possess excellent mechanical and physical properties such as high tensile strength, yield strength, elongation, density, thermal and electrical conductivity, modulus of expansion, and electrical resistivity. Available in multiple types including seamless, ERW, EFW, perforated, and fabricated, our forged fittings are engineered to deliver superior performance in the most demanding operational conditions.
| Grade | Ni | Fe | C | Mn | Si | Cu | Cr | S | Mo | Co | Al | Ti | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 600 | 72.0 min | 6.0 - 10.0 | 0.15 max | 1.0 max | 0.5 max | 0.5 max | 14.0 - 17.0 | 0.015 max | - | - | - | - | - |
| 601 | 58.0 – 63.0 | Balance | 0.10 max | 1.0 max | 0.50 max | 1.0 max | 21.0 – 25.0 | 0.015 max | 8.0 - 10.0 | - | 1.0 – 1.7 | - | - |
| 625 | 58.0 max | 5.0 max | 0.10 max | 0.50 max | 0.50 max | - | 20.0 - 23.0 | 0.015 max | 8.0 - 10.0 | 1.0 max | 0.40 max | 0.40 max | 3.15 - 4.15 |
| 718 | 50 - 55 | - | 0.08 max | 0.35 max | 0.35 max | 0.3 max | 17 - 21 | 0.015 max | 2.8 - 3.3 | 1.0 max | - | - | - |
| 800 | 30.0 - 35.0 | 39.5 min | 0.10 max | 1.5 max | 1.0 max | 0.75 max | 19.0 - 23.0 | 0.015 max | - | - | 0.15 - 0.60 | 0.15 - 0.60 | - |
| 800H | 30.0 - 35.0 | 39.5 min | 0.05 - 0.10 | 1.5 max | 1.0 max | 0.75 max | 19.0 - 23.0 | 0.015 max | - | - | 0.15 - 0.60 | 0.15 - 0.60 | - |
| 800HT | 30.0 - 35.0 | 39.5 min | 0.06 - 0.10 | 1.5 max | 1.0 max | 0.75 max | 19.0 - 23.0 | 0.015 max | - | - | 0.25 - 0.60 | 0.25 - 0.60 | - |
| 825 | 38.0 - 46.0 | 22.0 min | 0.05 max | 1.0 max | 0.5 max | 1.5 - 3.0 | 19.5 - 23.5 | 0.03 max | 2.5 - 3.5 | 1.0 max | 0.2 max | 0.6 max | - |
| Grade | Density (g/cm³) | Melting Point (°C) | Tensile Strength (psi / MPa) | Yield Strength 0.2% Offset (psi / MPa) | Elongation (%) |
|---|---|---|---|---|---|
| Inconel 600 | 8.47 | 1413 – 1455 | 95,000 / 655 | 45,000 / 310 | 40 |
| Inconel 601 | 8.11 | 1360 – 1411 | 80,000 / 550 | 30,000 / 205 | 35 |
| Incoloy 800 / 800H / 800HT | 7.94 | 1385 | 75,000 / 520 | 30,000 / 205 | 30 |
| Incoloy 825 | 8.14 | 1400 | 80,000 / 550 | 32,000 / 220 | 30 |
Inconel 600/601/625/718 Forged Fittings are extensively used in diverse industries such as offshore oil drilling, chemical processing, food and pharmaceutical industries, gas processing, power generation, petrochemicals, water supply systems, paper and pulp, fertilizers, heat exchangers, condensers, pumps, shafts, military components, electrical equipment, and even home appliances. These fittings are in high demand due to their excellent corrosion resistance, durability, ductility, formability, and superior machinability. Manufactured using advanced welding and heat treatment techniques, they perform exceptionally well under high-temperature and chemically aggressive conditions without deformation, making them ideal for critical industrial applications.
| 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 Forged Fittings are highly suitable for a wide range of industries and general applications including condensers, power plants, pulp and paper industries, food processing units, structural piping, pharmaceutical equipment, offshore oil drilling, petrochemical sectors, seawater systems, gas pipelines, fabrication setups, and heat exchangers. These forged fittings are engineered to perform efficiently in high-temperature and aggressive environments due to their excellent corrosion resistance and durability. Manufactured through advanced heat treatment, welding, and chemical processing, these fittings offer superior hardness and ductility. The exceptional resistance to chemicals and elevated temperatures makes Incoloy 800/800HT/825 Forged Fittings a preferred choice across various demanding 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 |
