Alloy: Co / Cr / W / C
Wire feedstock: WT-6 GMAW-C
Stellite 6 is a cobalt base superally consisting of a matrix containing dispersed carbides. It is a wear resistance alloy, with excellent corrosion and mechanical properties up to 500 degrees Celsius. Because of its properties it used in valves seals and gates, pump shafts and bearings, erosion shields and rolling couples. Furthermore Stellite 6 is used in aero engines, gas turbines and the nuclear industry.
This material can be printed in combination with S355, AISI 316L and AISI 420
The mentioned mechanical properties can vary according to design changes, process parameters optimization and strategy selection.
Stellite 6 helix printed on AISI 316L cone. This solution allows combination of maximum functionality and material efficiency
Stellite 6 circular wall printed on S355 tube
WAAM (z- direction)
Compared to casting
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Straight lines strategy: several welding beads overlapped next to each other
Oscillation: continuous zig-zag bead that fills the entire layer
Stress relief: due to the high residual stresses build up in the WAAM product, this heat treatment is necessary to minize residual stresses.
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