EOS NickelAlloy IN718 DMSL on EOS M 290

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EOS NickelAlloy IN718 DMSL on EOS M 290
Categories:	Metal; 3D Printing/Additive Manufacturing Metal; Nonferrous Metal; Nickel Alloy
Material Notes:	EOS NickelAlloy IN718 is a precipitation-hardening nickel-chromium alloy that is characterized by having good tensile, fatigue, creep and rupture strength at temperatures up to 700 °C (1.290 °F). Parts built from EOS NickelAlloy IN718 can be easily post-hardened by precipitation- hardening heat treatments. Main Characteristics: Good tensile, fatigue, creep and rupture strength at temperatures up to 700 °C (1.290 °F) Parts are easily precipitation hardened Parts can be machined, spark-eroded, welded, micro shot-peened, polished and coated in both as-built and age-hardened states Typical Applications: Gas turbine components Instrumentation parts Power industry parts Process industry parts Information provided by EOS GmbH (Electro Optical Systems).
Key Words:	UNS N07718
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	8.15 g/cc	ISO 3369
Particle Size	20 - 55 µm

Mechanical Properties	Original Value	Comments
Hardness, Brinell	466	DIN EN ISO 6506-1:2014
Hardness, Rockwell C	47	ISO 6508-1
Tensile Strength	970 MPa	Vertical, as manufactured
	1090 MPa	Horizontal, as manufactured
	1375 MPa	Vertical, heat treated
	1505 MPa	Horizontal, heat treated
Tensile Strength, Yield	650 MPa	Vertical, as manufactured
	800 MPa	Horizontal, as manufactured
	1145 MPa	Vertical, heat treated
	1240 MPa	Horizontal, heat treated
Elongation at Break	12 %	Horizontal, heat treated
	17 %	Vertical, heat treated
	25 %	Horizontal, as manufactured
	32 %	Vertical, as manufactured

Thermal Properties	Original Value	Comments
CTE, linear	13.1 µm/m-°C @Temperature 25.0 - 100 °C	ASTM E228-17
	13.7 µm/m-°C @Temperature 25.0 - 200 °C	ASTM E228-17
	14.1 µm/m-°C @Temperature 25.0 - 300 °C	ASTM E228-17
	14.4 µm/m-°C @Temperature 25.0 - 400 °C	ASTM E228-17
	14.7 µm/m-°C @Temperature 25.0 - 500 °C	ASTM E228-17
	15.0 µm/m-°C @Temperature 25.0 - 600 °C	ASTM E228-17
	15.5 µm/m-°C @Temperature 25.0 - 700 °C	ASTM E228-17

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.20 - 0.80 %
Bismuth, Bi	<= 0.000030 %
Boron, B	<= 0.0060 %
Carbon, C	<= 0.080 %
Chromium, Cr	17 - 21 %
Cobalt, Co	<= 1.0 %
Copper, Cu	<= 0.30 %
Iron, Fe	11.1 - 24.6 %	Balance
Lead, Pb	<= 0.00050 %
Manganese, Mn	<= 0.35 %
Molybdenum, Mo	2.8 - 3.3 %
Nickel, Ni	50 - 55 %
Niobium, Nb (Columbium, Cb)	4.75 - 5.5 %
Phosphorus, P	<= 0.015 %
Selenium, Se	<= 0.0020 %
Silicon, Si	<= 0.35 %
Sulfur, S	<= 0.015 %
Tantalum, Ta	<= 0.050 %
Titanium, Ti	0.65 - 1.15 %

Descriptive Properties
Surface roughness	3.8 µm	Shot Peened, Horizontal surface
	4.5 µm	As-manufactured, Horizontal surface
Volume rate	4.2 mm³/s

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NEOS931 / 280591

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