Process Data Sheet

EOS Niobium C103 for EOS M 290 | 40 µm

EOS M 290 - 40 µm - TRL 3

System Setup EOS M 290
EOS Material set C103_040_CoreM291
Powder Product No. 9030-0036
Required Software Plan EOS BUILD
Software Requirements

EOSPRINT 2.18 or newer
EOSYSTEM 2.17 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 3.2 mm³/s

Microstructure of the Produced Parts

Defects Thickness Result Number of Samples
Average Defect Percentage 40 µm 0.05 % -
Density EN ISO 3369 Thickness Result Number of Samples
Average Density 40 µm ≥ 8.80 g/cm³ -

Mechanical Properties

Mechanical Properties As Manufactured

EN ISO 6892-1 Room Temperature | 40 µm Yield Strength [MPa] Tensile Strength [MPa] Elongation at Break A [%] Reduction of Area Z [%] Modulus of elasticity [GPa] Number of Samples
Vertical 460 520 30 78 - -
Horizontal 480 550 30 76 - -



Mechanical Properties Heat Treated

EN ISO 6892-1 Room Temperature | 40 µm Yield Strength [MPa] Tensile Strength [MPa] Elongation at Break A [%] Reduction of Area Z [%] Modulus of elasticity [GPa] Number of Samples
Vertical 340 450 32 80 - -
Horizontal 345 455 32 80 - -

High-vacuum or inert gas atmosphere annealing according to ASTM F3635 - 23 for residual stress relieving and reduced anisotropy.  
Step 1: Annealing
High-vacuum annealing for 1 hour at 1100 °C.
Step 2: Cooling
Controlled cooling to room temperature. 

Hardness

EN ISO 6507 As Manufactured
Value 170
Unit HV5

Surface Roughness

Surface Roughness From To
Sa (µm) - -
Ra (µm) - -
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