Process Data Sheet
EOS StainlessSteel 254 for EOS M 290 | 40 µm
EOS M 290 - 40 µm - TRL 3
| System Setup | EOS M 290 |
|---|---|
| EOS Material set | 254_040_CoreM291_100 |
| Software Requirements |
EOSPRINT 2.8 or newer EOSYSTEM 5.20 or newer |
| Recoater Blade | HSS (High Speed Steel) |
| Nozzle | EOS Grid Nozzle |
| Inert gas | Argon |
| Sieve | 75 µm |
| Additional Information | |
|---|---|
| Layer Thickness | 40 µm |
| Volume Rate | 4.1 mm³/s |
Chemical and Physical Properties of Parts
Microstructure of the Produced Parts
| Defects | Thickness | Result | Number of Samples |
|---|---|---|---|
| Average Defect Percentage | 40 µm | 0.01 % | - |
| Density EN ISO 3369 | Thickness | Result | Number of Samples |
|---|---|---|---|
| Average Density | 40 µm | ≥ 8.07 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 | 360 | 660 | 48 | - | - |
| Horizontal | 360 | 700 | 43 | - | - |
Optional solution annealing
At 1 180 °C for 2 h after parts have fully heated through, water quenching
Typical dimensional change after heat treatment: 0.06 %
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 | 600 | 720 | 35 | - | - |
| Horizontal | 680 | 810 | 29 | - | - |
Surface Roughness
Coefficient of Thermal Expansion
| ASTM E228 | Temperature |
|---|---|
| 14.8*10-6/K | 25 – 100 ºC |
| 15.7*10-6/K | 25 – 200 ºC |
| 16.3*10-6/K | 25 – 300 ºC |
| 16.7*10-6/K | 25 – 400 ºC |