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EOS MS1 Maraging Steel for DMLS 3D Printing

Category	Metal , Ferrous Metal , Maraging Steel
Manufacturer	Electro Optical Systems (EOS)
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	EOS MS1 Maraging Steel for DMLS 3D Printing.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

EOS Maraging Steel MS1 is a steel powder which has been optimized especially for processing on EOSINT M 270 systems. This steel has very good mechanical properties, and is easily heat-treatable using a simple thermal age-hardening process to obtain excellent hardness and strength. This material is ideal for many tooling applications (DirectTool) such as tools for injection molding, die casting of light metal alloys, punching, extrusion etc., and also for high performance industrial and engineering parts, for example in aerospace and motor racing applications.EOS®, EOSINT®, and DMLS® are registered trademarks of EOS GmbH. Information provided by Axis Prototyping.

Physical Properties	Metric	English	Comments
Density	8.0 - 8.1 g/cc	0.29 - 0.29 lb/in³
Porosity	0.0 %	0.0 %	with standard processing parameters

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	33 - 37	33 - 37	as built
	50 - 54	50 - 54	after age hardening
Tensile Strength, Ultimate	1000 - 1200 MPa	145000 - 174000 psi	as built
	1670 - 2230 MPa	242000 - 323000 psi	after age hardening
Tensile Strength, Yield	900 - 1100 MPa @Strain 0.2 %	131000 - 160000 psi @Strain 0.2 %	as built
	1800 - 2000 MPa @Strain 0.2 %	261000 - 290000 psi @Strain 0.2 %	after age hardening
Elongation at Break	1 - 3 %	1 - 3 %	after age hardening
	5 - 11 %	5 - 11 %	as built
Modulus of Elasticity	160 - 200 GPa	23200 - 29000 ksi
Charpy Impact	7.00 - 15.0 J	5.16 - 11.1 ft-lb	Notched; after age hardening
	35.0 - 55.0 J	25.8 - 40.6 ft-lb	Notched; as built

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	0.430 - 0.470 J/g-°C	0.103 - 0.112 BTU/lb-°F	as built
	0.430 - 0.470 J/g-°C	0.103 - 0.112 BTU/lb-°F	after age hardening
Thermal Conductivity	14.2 - 15.8 W/m-K	98.5 - 110 BTU-in/hr-ft²-°F	as built
	19.0 - 21.0 W/m-K	132 - 146 BTU-in/hr-ft²-°F	after age hardening
Maximum Service Temperature, Air	400 °C	752 °F
Shrinkage	0.08 % @Temperature 490 °C, Time 21600 sec	0.08 % @Temperature 914 °F, Time 6.00 hour	age hardening

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.05 - 0.15 %	0.05 - 0.15 %
Carbon, C	<= 0.03 %	<= 0.03 %
Chromium, Cr	<= 0.5 %	<= 0.5 %
Cobalt, Co	8.5 - 9.5 %	8.5 - 9.5 %
Iron, Fe	64.6 - 69.35 %	64.6 - 69.35 %	as balance
Manganese, Mn	<= 0.1 %	<= 0.1 %
Molybdenum, Mo	4.5 - 5.2 %	4.5 - 5.2 %
Nickel, Ni	17 - 19 %	17 - 19 %
Phosphorous, P	<= 0.01 %	<= 0.01 %
Silicon, Si	<= 0.1 %	<= 0.1 %
Sulfur, S	<= 0.01 %	<= 0.01 %
Titanium, Ti	0.6 - 0.8 %	0.6 - 0.8 %

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