DISPAL® S220 AM – High‑Stiffness Aluminum Alloy for Precision Additive Manufacturing
DISPAL® S220 AM (AlSi35) is a material characterized by a high stiffness, low thermal expansion, excellent wear and tear behavior, good machinability and a low density.
DISPAL® S220 AM is available as printed, for prototypes and production. Development and engineering services related to specific applications are available, together with part selection, optimization for optimal printability, and post-processing operations.
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DISPAL Alloys
Properties
General
| Property | Value | Testing Standard | Comment |
|---|---|---|---|
Density | 2.413 - 2.667 g/cm³ | ||
Mean Roughness | 8 μm | DIN EN ISO 16610-21 | |
Mean Roughness Depth | 50 μm | DIN EN ISO 16610-21 | |
Relative density | 99.8 [-] | min. | Optical density determination at test specimen by light microscopy |
Mechanical
| Property | Value | Testing Standard | Comment |
|---|---|---|---|
Elastic modulus | 90 GPa | min. | |
Elongation | 1.5 % | min. | |
Tensile strength | 200 MPa | DIN EN ISO 6892-1 Method B | min. |
Yield strength | 115 MPa | min., RP02 |
Thermal
| Property | Value | Comment |
|---|---|---|
Coefficient of thermal expansion | 1.46e-05 - 1.56e-05 1/K | for 20-100°C |
1.55e-05 - 1.65e-05 1/K | for 20-200°C | |
1.63e-05 - 1.73e-05 1/K | for 20-300°C |
Chemical properties
| Property | Value |
|---|---|
Aluminium | Balance |
Silicon | 34 - 36 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | The material is used in a wide range of industries such as linear technology, optical industry and aerospace. Typical applications include housings, moving components and other lightweight applications. | |
| Other | The properties in this material data sheet reflect minimum values that are achieved when printing S220 powder on an industrial Additive Manufacturing (AM) machine. The machine used is a Concept Laser M2, Laser Powder Bed Fusion category. | |
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