India's largest store for 3D Printers, 3D Printing Services


3D MATERIALS think3d SS GP1

Published on August 22nd, 2016 | by Raja Sekhar Upputuri

EOS Stainless Steel GP1

EOS StainlessSteel GP1 is a stainless steel. Its chemical composition corresponds to US clas-sification 17-4, European 1.4542 and German X5CrNiCuNb16-4. Steel including alloying elements like Cr (15 – 17.5 wt-%) Ni (3 – 5 wt-%) Cu (3 – 5 wt-%) Mn (max. 1 wt-%) Si (max. 1 wt-%) Mo (max. 0.5 wt-%) Nb (0.15 – 0.45 wt-%) C (max. 0.07 wt-%)

Physical Properties

Possesses good mechanical properties, especially excellent ductility in laser processed state.
ParameterAs Built (typical) Stress relieved
Tensile Strength
XY: 930 ± 50 MPa; Z: 960 ± 50 MPa
XY: typ 1100 MPa ;Z: typ:980 MPa
Yield Strength
XY: 586 ± 50 MPa; Z: 570 ± 50 MPa
XY: typ 590 MPa ;Z: typ:550 MPa
Elongation at Break
XY: (31 ± 5 ) %; Z: (35 ± 5 ) %

XY: typ 29%; Z: typ 31 %
Modulus of elasticity
170 ± 30 GPa
typ. 180 GPa
Hardness
approx. 230 ± 20 HV1approx. 250 - 400 HV1

Other Properties

Thermal conductivity
13-16 W/m°C
Coefficient of thermal expansion
14 x 10-6 m/m °C
Max operating temperature
550 °C
Density7.8 g/cm³

Relative DensityApprox 100%

3D Printing Details

Technology
DMLS
Possible Post Processing
machined, spark-eroded, welded, micro shot-peened, polished and coated
Accuracy
20-50 Microns(small parts)
Min Wall Thickness0.3-0.4 mm
Min Layer Resolution20 Microns
Volume Rate 2mm³/s – 4 mm³/s
Surface Roughness
Ra: 2.5-4.5 Microns ; Ry: 15-40 Microns; Rz<0.5 Micron

Applications

Ideal for part building applications, individualized products and spare parts
  1. Functional prototypes
  2. Series-production parts
  3. Mechanical Engineering
  4. Medical

Design Guidelines

Min Wall Thickness0.3-0.4 mm
Min Layer Resolution20 Microns
Min Detail Size0.8 mm
Min Hole Diameter0.8 mm
Min Text Size 2.5 mm
Max Part Dimension300 mm

Gallery

Tags:


About the Author



Back to Top ↑

>>>>>>>>