EOS Stainless Steel GP1

• Physical Properties
• Other Properties
• 3D Printing Details
• Applications
• Design Guidelines
• Gallery

Physical Properties

Possesses good mechanical properties, especially excellent ductility in laser processed state.

Parameter	As 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 HV1	approx. 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
Density	7.8 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	20-50 Microns(small parts)
Min Wall Thickness	0.3-0.4 mm
Min Layer Resolution	20 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 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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