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UniFuse 316L stainless steel power released by Uniformity Labs

The ultra-low porosity 90um powder delivers improved mechanical properties at much higher throughput for LPBF

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Engineered materials company Uniformity Labs has made its UniFuse 316L ultra-low porosity stainless steel powder available to the market. This high throughput feedstock exhibits best-in-class material properties, and the UniFuse 316L powder and optimized print processes have been used to create various parts in various industries with great success.

Developed by an in-house team of world-leading materials scientists and 3D printing innovators, Uniformity Labs’ UniFuse 316L 90um 400W Performance mechanical properties are superior in UTS, YS, elongation, and density compared to industry standard lower layer thickness parameter sets. According to Uniformity Labs, the UniFuse 316L ultra-low porosity powder and High-Performance Scanning (HPS) achieve an approximately 3x faster build time when compared to the competitor’s lower layer thickness scan strategies targeting best-in-class mechanical properties. Compared to similar layer thickness builds, Uniformity Labs UniFuse 316L and HPS achieve far superior mechanical properties and build uniformity across the build platform with significantly increased throughput.

UniFuse 316L stainless steel power released by Uniformity Labs - delivering improved mechanical properties at much higher throughput for LPBF
Part printed using UniFuse 316L stainless steel

Higher bed and tap densities enable Uniformity powders to deliver improved mechanical properties and consistent performance across the build bed, even at high-speed build rates and thicker layer printing.

“The application of Uniformity 316L 90um stainless steel delivers mechanical excellence for our customers who require materials that perform to the highest standard in extreme conditions,” said Adam Hopkins, founder, and CEO of Uniformity Labs. “Our powders deliver superior mechanical properties, surface finish, printing yield, and part reliability, and allow one machine to do the work of several.”

In addition to materials already available, the Uniformity team is continually developing new materials and processes to make 3D printing accessible to all industries and applications.

At a glance, the mechanical and density properties of UniFuse 316L stainless steel include a 90um layer thickness, up to three times the throughput @ 99.9%+ density (density coupons average 99.95%), Tensile Strength (Rm z) – 675 ± 7 MPa, Tensile Strength (Rm XY) – 739 ± 7 MPa, Yield Strength (Rm Z) – 528 ± 8 Mpa, Yield Strength (Rm XY) – 600 ± 7 MPa, Fracture Elongation (Rm Z) – 49.4 ± 2.2 %, Fracture Elongation (Rm XY) – 53.5 ± 2.7 %, and Surface roughness in the z-direction (um) 11.2 ± 1.8.

Notes

  1. Properties are given for the laser-melted product printed at 90um layers. Auxiliary operations may influence the displayed properties. Auxiliary operations, e.g., heat treatments or surface modifications by coating processes, bead blasting, etc., performed at Uniformity Labs or the customer will affect mechanical and physical properties.
  2. The indicated density limits are valid for the mean density of a component. For complex and geometrically unfavorable shapes, the local segment density can deviate from these limits, and therefore materials properties may be affected.
  3. Materials properties stated in the table above have been determined based on ASTM E8-21.
  4. All mechanical characteristics are typical mean values valid only for the indicated nominal density level and will vary from printer to printer.
  5. Roughness measurement according to microscopy in accordance with DIN EN ISO 4287.
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Edward Wakefield

Edward is a freelance writer and additive manufacturing enthusiast looking to make AM more accessible and understandable.

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