New NickelAlloy IN939 Addition To EOS Industrial 3D Printing Material Portfolio



EOS, the world’s leading technology supplier of industrial 3D printing technologies for metals and polymers, unveiled a new nickel alloy material – NickelAlloy IN939 – to its growing and expansive list of metal powders available for use in powder bed additive manufacturing (AM). This new material is we suited to the rapidly growing energy industry applications like turbomachinery parts.

In addition to the immediate availability of EOS NickelAlloy IN939 for the EOS M 290, there is a planned release for the EOS M 400-4 platform in Q2 2021, and other future platforms.

EOS NickelAlloy IN939 will cater to the energy industry applications/Image Source: EOS
EOS NickelAlloy IN939 will cater to the energy industry applications/Image Source: EOS

The new material, EOS NickelAlloy IN939, is a nickel-chromium alloy that provides an excellent balance of strength in high-temperature settings, resistance to corrosion and oxidation, fatigue performance, and creep strength at temperatures up to 850 ℃ (1,560 °F). EOS NickelAlloy IN939 offers greater tensile properties, validation, reliability, and crack-resistance than similar materials currently on the market. Parts produced using the new material can also be hardened after being manufactured by applying precipitation-hardening heat treatments.

For processing on the EOS M 290 metal AM platform, all these qualities position EOS NickelAlloy IN939 perfectly for use in creating industrial gas turbines, (vanes, blades, heatshields), as well as microturbines, turbochargers, power industry parts and other energy industry applications exposed to high temperatures and extreme elements.

According to Dr. Alex Hoffs, president of Power Systems Mfg., LLC (PSM), “PSM is excited to see the continued investments by EOS supporting 3D printing applications in the energy industry. For gas turbine power plant operators, we believe flow path components additively manufactured with new advanced metal powder alloys such as EOS NickelAlloy IN939 bring the potential for significant operational flexibility improvements.”

Kevin Minet, Team Supervisor metal materials and processes, EOS, added, “Material development is always driven by customer demand and very often is the result of a close customer cooperation. The new EOS nickel alloy was developed to meet or even exceed the properties of casted nickel alloy.”

Minet aptly concluded, “The PSM application scenario and their early success support the potential we see for this material for more industries and applications.”

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