Inconel 600 forgings are high-performance parts manufactured from a nickel-chromium alloy for strength and corrosion resistance at high temperature and in oxidizing conditions. This alloy is most resistant to stress corrosion cracking and is mechanically sound across a broad range of temperatures. Inconel 600 is non-magnetic and immune to a wide range of corrosive agents, such as acids, alkalis, and chloride-containing media. Forged parts manufactured from this material show enhanced strength, weldability, and oxidation resistance. They are widely employed in chemical plants, heat treatment fixtures, furnace hardware, and nuclear reactor parts where high endurance is demanded.
Inconel 600 usually consists of ~72% nickel, 14–17% chromium, and 6–10% iron. It offers tensile strength up to 655 MPa and yield strength approximately 275 MPa. The material possesses good resistance against chloride-ion stress corrosion and high-temperature oxidation up to 1100°C. Forging is beneficial to the alloy’s grain structure and mechanical homogeneity, which enhances fatigue and creep strength. Inconel 600 is also resistant to nitriding and carburizing environments, making it suitable for thermal cycling and harsh processing environments. It retains ductility and formability despite extended exposure to high temperatures.
Specifications ASTM B564 / ASME SB564, AMS 5766
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015 max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.47 g/cm3 | 1413 °C (2580 °F) | 655 MPa, 95000 psi | 310 MPa, 45000 psi | 45 % |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Alloy 600 | N06600 | 2.4816 | NC15FE11M | NiCr15Fe | NCF 600 | NA 13 | МНЖМц 28-2,5-1,5 | ЭИ868 |
The forging process for Inconel 600 typically takes several hours, depending on the complexity and size of the component. Heating, shaping, and cooling are carefully controlled to ensure the desired mechanical properties.
Post-forging operations for Inconel 600 typically include heat treatment to relieve stresses and enhance mechanical properties. Additional processes like machining, surface finishing, and testing may also be required to meet specific application standards.
Inconel 600 forgings require minimal maintenance due to their excellent corrosion and oxidation resistance. Periodic inspection for signs of wear, cracking, or thermal damage is recommended to ensure long-term performance in demanding environments.
Inconel 600 forgings are employed in chemical and food processing facilities, furnace retorts, tubing supports, and carburizing baskets. Their resistance to heat is what gives them properties suitable for furnace trays, muffles, and heat-treating jigs. Within nuclear reactors, they are utilized in fuel element spacers and reactor core pieces. The aerospace market utilizes these forgings in exhaust liners, afterburner components, and heat shields. They are also utilized in electric heating elements, alkali processing equipment, and high-temperature piping. Inconel 600’s resistance to corrosion and durability under heat and mechanical stress make it a must for equipment in harsh, fluctuating thermal conditions.
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