EOS Flexline MaragingSteel MS1 DMSL on EOS M 400

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EOS Flexline MaragingSteel MS1 DMSL on EOS M 400
Categories:	Metal; 3D Printing/Additive Manufacturing Metal; Ferrous Metal; Maraging Steel
Material Notes:	Parts built in EOS MaragingSteel MS1 have a chemical composition corresponding to US classification 18% Ni Maraging 300, European 1.2709 and German X3NiCoMoTi 18-9-5. This kind of steel is characterized by having very good mechanical properties, and being easily heat-treatable using a simple thermal age-hardening process to obtain excellent hardness and strength. Parts built from EOS MaragingSteel MS1 are easily machinable after the building process and can be easily post-hardened to more than 50 HRC by age-hardening at 490 °C (914 °F) for 6 hours. In both as-built and age-hardened states the parts can be machined, spark-eroded, weld-ed, micro shot-peened, polished and coated if required. Due to the layerwise building method, the parts have a certain anisotropy, which can be reduced or removed by appropriate heat treatment - see Technical Data for examples. Information provided by EOS GmbH (Electro Optical Systems).
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Physical Properties	Original Value	Comments

Particle Size	<= 63 µm	<0.5 wt% above 63µm; ASTM B214
Thickness	50.0 microns	Layer Thickness

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	50 - 56 @Treatment Temp. 490 °C, Time 21600 sec	heat treated; EN ISO 6508-1
Tensile Strength, Ultimate	1200 MPa	As built; ISO 6892-1:2009 B10
	1980 - 2180 MPa @Treatment Temp. 490 °C, Time 21600 sec	Heat treated; ISO 6892-1:2009 B10
Tensile Strength, Yield	1070 MPa	As built; ISO 6892-1:2009 B10
	1930 - 2130 MPa @Treatment Temp. 490 °C, Time 21600 sec	Heat treated; ISO 6892-1:2009 B10
Elongation at Break	11 %	As built; ISO 6892-1:2009 B10
	1.0 - 3.0 % @Treatment Temp. 490 °C, Time 21600 sec	Heat treated; ISO 6892-1:2009 B10

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.050 - 0.15 %
Carbon, C	<= 0.030 %
Chromium, Cr	<= 0.50 %
Cobalt, Co	8.5 - 9.5 %
Copper, Cu	<= 0.50 %
Iron, Fe	64.1 - 69.35 %	Balance
Manganese, Mn	<= 0.10 %
Molybdenum, Mo	4.5 - 5.2 %
Nickel, Ni	17 - 19 %
Phosphorus, P	<= 0.010 %
Silicon, Si	<= 0.10 %
Sulfur, S	<= 0.010 %
Titanium, Ti	0.60 - 0.80 %

Descriptive Properties
Surface roughness	45 µm	Rz, vertical surface
	60 µm	Rz, horizontal upskin surface
	9 µm	Ra, vertical surface
	9 µm	Ra, horizontal upskin surface
Volume rate	5.5 mm³/s

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NEOS969 / 280629

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