Rosswag qualifies Ni-base superalloy Waspaloy for Additive Manufacturing

May 29, 2020

Rosswag GmbH, Pfinztal, Germany, has qualified the nickel-base superalloy Waspaloy for Laser Powder Bed Fusion (L-PBF) Additive Manufacturing. Waspaloy is a registered trademark of United Technologies Corp that refers to an age-hardening austenitic nickel-base superalloy. 

The alloy has a tensile strength of 1400 MPa, exceeding that of some of the nickel-base alloys most frequently used in the AM process, such as Inconel 718. Due to its good strength properties at temperatures up to approx 980ºC, it is typically used in high-temperature applications, particularly in gas turbines.

The company stated that its in-house process chain enables it to qualify materials for L-PBF within a few weeks, using its small-scale atomisation plant and comprehensively equipped metallurgy laboratory. Drawing on these resources, the company has reportedly qualified more than thirty-five alloys for L-PBF in recent years. 

Due to its high tensile strength, Waspaloy is expected to open new possibilities for the metal Additive Manufacturing of functionally optimised parts for components subjected to high loads and temperatures, for example in gas turbines.

www.rosswag-engineering.de

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