Physical Properties

This nickel-chromium alloy hardens on precipitation. It is characterized by having good tensile, fatigue, creep and rupture strength at temperatures up to 700°C. The alloy also has outstanding corrosion resistance in various corrosive environments. Possesses excellent cryogenic properties.
Parameter As Built (typical, heated at 20⁰C) After Age-Hardening
Tensile Strength XY: 1060 ± 50 MPa; Z: 980 ± 50 MPa min. 1241 MPa ; typ. 1400 ± 100 MPa
Yield Strength XY: 780 ± 50 MPa; Z: 634 ± 50 MPa min. 1034 MPa ; typ. 1150 ± 100 MPa
Elongation at Break XY: (27 ± 5) %; Z: (31 ± 5 ) % min. 12 % typ. (15 ± 3) %
Modulus of elasticity 160 ± 20 GPa 170 ± 20 GPa
Hardness approx. 30 HRC approx. 47 HRC

Other Properties

Coefficient of thermal expansion approx. 12.5 – 17.2 x 10-6 m/m°C

Oxidation resistance approx. 980 °C
Max operating temp approx. 650 °C
Density min. 8.15 g/cm³

Relative Density Approx. 100%

3D Printing Details

Technology
DMLS
Possible Post Processing


machined, spark-eroded, welded, micro shot-peened, polished and coated
Accuracy

40 – 60 Microns(for small parts)
Min Wall Thickness 0.3-0.4 mm
Min Layer Resolution 40 Microns
Volume Rate
4 mm³/s
Surface Roughness Ra: 4-6.5 Microns ; Rz: 20-50 Microns

Applications

For applications which require high temperature
  1. Functional prototypes
  2. Series-production parts
  3. Aerospace
  4. Industry (e.g. high-temperature turbine components, instrumentation parts, power and process industry parts etc.)
  5. Cryogenic applications

Design Guidelines

Min Wall Thickness 0.3-0.4 mm
Min Layer Resolution 20 Microns
Min Detail Size 0.8 mm
Min Hole Diameter 0.8 mm
Min Text Size 2.5 mm
Max Part Dimension 300 mm

Gallery

 

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