Introducing Inconel 625 for 3D Printing – A Game‑Changing Nickel‑Based Superalloy

We’re excited to unveil Inconel 625—now available in the Markforged Metal X 3D printer—bringing a premium nickel‑based superalloy to additive manufacturing. Learn how this material excels across industries and applications.

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What is Inconel 625?

Inconel 625 is a nickel‑based superalloy renowned for its exceptional corrosion resistance and ability to endure extreme temperatures. It maintains structural integrity after repeated thermal cycles and can withstand up to 1,000 °C. Historically, this alloy has been prohibitively expensive, but the Metal X platform now delivers it at a fraction of the cost.

Industries and Applications

Inconel 625 excels in harsh environments characterized by high temperatures, aggressive chemicals, and rapid thermal swings. Key sectors that benefit include chemical & power processing, aerospace, automotive, and offshore oil & gas.

Chemical/Power Processing

The chemical and power processing industries demand materials that can withstand both high temperatures and a broad spectrum of chemicals. Waste‑processing systems, for example, expose components to oxidizing and reducing acid solutions. Inconel 625’s resilience to harsh chemicals and sustained high‑temperature performance makes it an ideal choice.

Aerospace/Automotive

In aerospace and automotive applications, Inconel 625’s high‑temperature tolerance and corrosion resistance are invaluable for components exposed to engine heat and corrosive operating environments.

Seawater/Offshore

Seawater systems present extreme corrosion challenges, even for the toughest materials. Inconel 625’s outstanding resistance to sodium chloride across a range of temperatures makes it perfect for underwater components such as wire rope and propeller blades.

Case Study: Nieka Systems

Nieka Systems manufactures sample‑preparation equipment that enables their mining and cement‑production customers to analyze and ensure quality in their manufacturing processes. Their automated machines heat ore or cement samples with fusion flux to temperatures of up to 1,000 °C, then cool them to room temperature to produce glass discs. Previously, Nieka outsourced Inconel crucible clips, incurring high costs and long lead times. Inconel 625 was the perfect material, but the expense and extended supply chain prompted a search for a more efficient solution.

By switching to the Metal X system, Nieka cut lead time from four weeks to just four days and incorporated design changes that improved clip durability for repeated rapid temperature cycles. Within a year, the company saved roughly $108,000 CAD (≈ $80,000 USD) and slashed lead times dramatically.

Markforged’s Metal X platform offers a suite of high‑performance alloys—17‑4 PH stainless steel, A2 tool steel, D2 tool steel, H13 tool steel, and now Inconel 625—ready to elevate your additive manufacturing projects. Contact Markforged to discover how Inconel 625 can revolutionize your production.

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