METAL SOLUTIONS

EOS StainlessSteel 2507

Material Data Sheet | Powder Product No. 9030-0035

EOS StainlessSteel 2507

EOS StainlessSteel 2507 is an austenitic-ferritic duplex stainless according to ISO EN 10088-3, 1.4410. The high chromium, molybdenum and nitrogen alloying give excellent corrosion resistance in many difficult environments. The general pitting resistance equivalent PREN for EOS SuperDuplex is 42 (PREN = %Cr + 3.3 X %Mo + 16 X %N).

MAIN CHARACTERISTICS

→ Excellent resistance to uniform, SCC, pitting and crevice corrosion 
→ High strength together with high corrosion resistance

TYPICAL APPLICATIONS

→ Oil and gas industry 
→ Pulp and paper manufacturing devices 
→ Mining and off-shore equipment

The EOS Quality Triangle

Material Data Sheet | Powder Product No. 9030-0035
EOS uses an approach that is unique in the AM industry, taking each of the three central technical elements of the production process into account: the system, the material and the process. The data resulting from each combination is assigned a Technology Readiness Level (TRL) which makes the expected performance and production capability of the solution transparent.

EOS incorporates these TRLs into the following two categories:
 
  • Premium products (TRL 7-9): offer highly validated data, proven capability and reproducible part properties. 
  • Core products (TRL 3 and 5): enable early customer access to newest technology still under development and are therefore less mature with less data.

All of the data stated in this material data sheet is produced according to EOS Quality Management System and international standards
EOS 3D Printing Solutions Quality Triangle

POWDER PROPERTIES

Powder Chemical Composition (wt.-%)

Element Min. Max.
Fe Balance
Cr 24.0 26.0
Ni 6.0 8.0
Mo 3.0 4.5
N 0.24 0.35
C - 0.030

Powder Particle Size

Generic Particle Size Distribution 15 - 53 µm

HEAT TREATMENT

Description

Solution annealing:

Hold temperature 1100 °C, hold time 1-2 h when thoroughly heated, water quenching.

Process Data Sheet

EOS StainlessSteel 2507 for EOS M 290 | 40/80 µm

EOS M 290 - 40 µm - TRL 3

System Setup EOS M 290
EOS Material set SuperDuplex_040_080_CoreM291
Powder Product No. 9030-0035
Software Requirements

EOSPRINT 2.9 or newer
EOSYSTEM 2.12 or newer
Recoater Blade Ceramic
Nozzle EOS Grid Nozzle
Inert gas Argon
Sieve 75 µm
Additional Information
Layer Thickness 40 µm, 80 µm, 40/80 µm
Volume Rate 4.1 - 7.9 mm³/s

Chemical and Physical Properties of Parts

Etched micrograph. Heat treated state.

Microstructure of the Produced Parts

Defects Thickness Result Number of Samples
Average Defect Percentage 40 µm 0.06 % -
Average Defect Percentage 80 µm 0.1 % -
Density EN ISO 3369 Thickness Result Number of Samples
Average Density - ≥ 7.70 g/cm³ -

Mechanical Properties

Mechanical Properties Heat Treated

EN ISO 6892-2 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 570 850 34 - - -
Horizontal 570 860 33 - - -

Solution annealing: Hold temperature 1100 °C, hold time 1-2 h when thoroughly heated, water quenching.

Mechanical Properties Heat Treated

EN ISO 6892-2 Room Temperature | 80 µm Yield Strength [MPa] Tensile Strength [MPa] Elongation at Break A [%] Reduction of Area Z [%] Modulus of elasticity [GPa] Number of Samples
Vertical 570 860 34 - - -
Horizontal 560 860 33 - - -

Solution annealing: Hold temperature 1100 °C, hold time 1-2 h when thoroughly heated, water quenching.

Impact Toughness

EN ISO 148-1, Charpy-V Heat Treated
Typical Impact Toughness [J] 100
Layer Thickness 40 µm
EN ISO 148-1, Charpy-V Heat Treated
Typical Impact Toughness [J] 100
Layer Thickness 80 µm

Surface Roughness

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

Coefficient of Thermal Expansion

ASTM E228 Temperature
12.53*10-6/K 25 – 100 ºC
13.42*10-6/K 25 – 200 ºC
13.79*10-6/K 25 – 300 ºC
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