MaragingSteel MS1 (Metal / Werkzeugstahl / tool steel)

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Stainless steel with heat treatment
Steel with heat treatment corresponding to US classification 18% Ni Maraging 300, European 1.2709 and German X3NiCoMoTi 18-9-5. Parts have a certain anisotropy, which can be reduced or removed by appropriate heat treatment.


18% Ni Maraging 300, DIN 1.2709, X3NiCoMoTi 18-9-5

State of starting material


Properties, applications and appearance

Field of application

Rapid Prototyping, Rapid Manufacturing, Rapid Tooling

Has post-processing opportunities

machinable, wire-eroding, spark-eroding, welding, micro-blasting / shot-peened, polishing, coating, heat treatment

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Manufacturing process

Laser Melting
Parts are built in a metal powder bed through a laser (or lasers) melting the metal powder layer-by-layer. Synonyms: Selective Laser Melting, SLM, Direct Metal Laser Sintering, DMLS, Laser Cusing

Physical, mechanical and thermal properties

Physical Properties

typical accuracy: 0 - 20 µm
typical accuracy: 0 +/-50 µm
smallest wall thickness: 0.3 - 0.4 mm
Age hardening shrinkage: 0.08 %

Mechanical Properties

ultimate tensile strenght: 2,050 +/-100 MPa
ultimate tensile strenght (y): 1,100 +/-100 MPa
ultimate tensile strenght (z): 2,050 +/-100 MPa
yield stress Rp 0.2%: 1,990 +/-100 MPa

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Data source: EOS

ATTENTION: The presented values are provided by the material manufacturers and are only indicative. Realized material properties may differ from these value for several reasons. Additively does not guarantee the correctness of this information in any way.