Skip to main content
Precision and Performance in Extreme Environments

Inconel 625

Inconel 625 excels in high-temperature environments, such as gas turbine parts and power industry components, while also offering excellent performance in cryogenic conditions.

Maximize Durability with Inconel 625

Inconel 625 is a nickel-based superalloy renowned for its high strength, excellent fabricability, and outstanding corrosion resistance. This material is composed primarily of nickel (58% minimum), along with significant amounts of chromium (20-23%), molybdenum (8-10%), and niobium (3.15-4.15%). It is designed to withstand extreme environments where other materials would fail, particularly those involving high temperatures, corrosive chemicals, or mechanical stress.

Key Properties

  • Corrosion Resistance: Inconel 625 offers exceptional resistance to oxidation, pitting, and crevice corrosion in a variety of environments, including those involving harsh acids, seawater, and oxidizing agents.
  • High-Temperature Strength: The alloy retains its strength and stability at temperatures up to 1800°F (982°C), making it ideal for high-temperature applications.
  • Versatility: Inconel 625 is highly versatile and can be used across a broad temperature range, from cryogenic conditions to high heat, without losing its mechanical properties.
  • Fatigue and Creep Resistance: The material’s resistance to fatigue and creep under mechanical loads extends the lifespan of components in critical applications.
TENSILE STRENGTHYIELD STRENGTHELONGATION
As PrintedWith Heat TreatmentAs PrintedWith Heat TreatmentAs PrintedWith Heat Treatment
70 ksi168 ksi40 ksi67 ksi30%15%
Versatility in Post-Processing

Inconel 625 parts can be tailored to specific requirements through various post-processing methods. These parts can be machined, spark eroded, welded, micro shot-peened, polished, and coated as needed. However, the anisotropy resulting from the layerwise building method in additive manufacturing should be considered during the design phase.

Inconel 625’s ability to endure extreme temperatures, high mechanical loads, and corrosive environments, coupled with its excellent weldability and versatile post-processing options, makes it indispensable for industries where performance and reliability are critical.

Applications

Due to its combination of properties, Inconel 625 is widely used in industries such as aerospace, chemical processing, marine, and power generation. Typical applications include components for gas turbines, exhaust systems, heat exchangers, and seawater equipment.

Achieve high-quality finished parts