Inconel 625 forgings are strong parts formed of a nickel-chromium-molybdenum-niobium alloy possessing outstanding corrosion resistance and fatigue characteristics. These forgings are fabricated for applications under critical conditions where strength as well as resilience are needed. Inconel 625 provides superior resistance to crevice corrosion, pitting, and stress corrosion cracking caused by chlorides, qualifying it for aerospace, offshore, and chemical processing applications. Inconel 625 parts are forged under controlled conditions and exhibit perfect metallurgical characteristics and dimensional tolerance. They operate satisfactorily in high pressure and temperature conditions and can withstand structural integrity in saline, oxidizing, or acidic environments.
Inconel 625 has about 58% nickel, 20–23% chromium, 8–10% molybdenum, and 3.5% niobium with iron being in balance. It provides tensile strength of up to 827 MPa and yield strength of about 414 MPa. It has toughness and ductility from cryogenic temperatures to 980°C. Forging refines the grain size with improved fatigue strength, corrosion resistance, and creep properties. Inconel 625 forgings are very resistant to seawater, acids (such as HCl and H2SO4), and oxidizing substances. They are weldable and offer very good mechanical reliability under both static and dynamic loading conditions.
Specifications ASTM B564 / ASME SB564, AMS 5666
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 | Al | Ti | Fe | Ni | Cr |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | 0.40 max | 0.40 max | 5.0 max | 58.0 min | 20.0 – 23.0 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa -930 | Psi – 75,000 , MPa – 517 | 42.5 % |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Alloy 625 | N06625 | 2.4856 | NC22DNB4M | NiCr22Mo9Nb | NCF 625 | NA 21 | ХН75МБТЮ | ЭИ602 |
Temperature control during forging of Inconel 625 ensures optimal material properties, preventing brittleness and maintaining its strength and ductility. Proper temperature management also enhances uniformity, reducing defects and improving overall quality.
Inconel 625 Forgings are expensive due to the high cost of raw materials and complex manufacturing processes. Additionally, their workability can be challenging at certain temperatures, requiring specialized equipment and techniques.
To determine if Inconel 625 Forgings meet your needs, compare their material properties with your application requirements and consult with suppliers for tailored solutions.
Inconel 625 forgings are employed in aerospace exhaust system applications, jet engine hardware, turbine blades, seawater piping systems, and chemical processing valves. They are utilized in submarine parts, risers, manifolds, and platform parts in marine industries. Power plants utilize them in superheater tubes, boiler shells, and turbine seals. Due to their ability to resist acidic and chloride-containing environments, they find application in pollution control devices, scrubbers, and reactor vessels as well. The alloy is widely utilized in nuclear waste storage, cryogenic storage, and high-temperature exhaust ducting owing to its unparalleled strength as well as corrosion-resistant properties over a broad range of temperatures.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aiman Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kuala lumpur, Malaysia
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