Process Data Sheet
EOS Aluminium Al2139 AM for EOS M 400-4 | 50 µm
EOS M 400-4 - 50 µm - TRL 3
Process Information Metal
High performance process with good microstructure and excellent mechanical properties and low anisotropy after heat treatment. Good mechanical properties at elevated temperatures in heat treated condition. Process offers good buildability of small features with soft recoating. Part and support design for high strength aluminium is required.
System Setup | EOS M 400-4 |
---|---|
EOS Material set | Al2139AM_050_CoreM404 |
Software Requirements |
EOSPRINT 2.10 or newer EOSYSTEM 2.14 or newer |
Recoater Blade | HSS (High Speed Steel) |
Build Platform Temperature | 195 °C |
Inert gas | Argon |
Sieve | 75 µm |
Additional Information | |
---|---|
Layer Thickness | 50 µm |
Volume Rate | up to 4 x 5.0 mm³/s |
Wall Thickness | 0.4 mm |
Chemical and Physical Properties of Parts
The chemical properties of the parts are the same as that of the powder.

Microstructure of the Produced Parts
Defects | Thickness | Result | Number of Samples |
---|---|---|---|
Average Defect Percentage | 50 µm | 0.1 % | - |
Density EN ISO 3369 | Thickness | Result | Number of Samples |
---|---|---|---|
Average Density | 50 µm | ≥ 2.84 g/cm³ | - |
Mechanical Properties
Mechanical Properties Heat Treated
EN ISO 6892-1 Room Temperature | Yield Strength [MPa] | Tensile Strength [MPa] | Elongation at Break [%] | Reduction of Area Z [%] | Number of Samples |
---|---|---|---|---|---|
Vertical | 450 | 530 | 6 | - | - |
Horizontal | 460 | 550 | 7 | - | - |
Mechanical Properties
Mechanical Properties As Manufactured
EN ISO 6892-1 Room Temperature | Yield Strength [MPa] | Tensile Strength [MPa] | Elongation at Break [%] | Reduction of Area Z [%] | Number of Samples |
---|---|---|---|---|---|
Vertical | 380 | 430 | 8 | - | - |
Horizontal | 380 | 430 | 10 | - | - |
Hardness
EN ISO 6506 Heat Treated | |
---|---|
Value | 168 |
Unit | HBW 2.5/62.5 |
EN ISO 6506 As Manufactured | |
---|---|
Value | 115 |
Unit | HBW 2.5/62.5 |
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test method
Elevated temperature properties
