EOS StainlessSteel 254 DMSL on EOS M 290; 60 µm Layer Thickness

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EOS StainlessSteel 254 DMSL on EOS M 290; 60 µm Layer Thickness
Categories:	Metal; 3D Printing/Additive Manufacturing Metal; Ferrous Metal; Stainless Steel
Material Notes:	EOS StainlessSteel 254 is an austenitic stainless steel for extreme conditions. The high chromium, molybdenum and nitrogen alloying give excellent corrosion resistance in many difficult environments. The general pitting resistance equivalent PREN for 254 is 43 (PREN = %Cr + 3.3 X %Mo + 16 X %N). Main Characteristics: Excellent resistance to uniform, pitting and crevice corrosion High resistance to stress corrosion cracking Higher strength than conventional austenitic stainless steels Typical Applications: Chlorinated seawater handling equipment Pulp and paper manufacturing devices Chemical handling equipment Information provided by EOS GmbH (Electro Optical Systems).
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Physical Properties	Original Value	Comments

Density	>= 8.07 g/cc	ISO 3369
Porosity	0.020 %
Thickness	60.0 microns	Layer Thickness

Mechanical Properties	Original Value	Comments
Tensile Strength	730 MPa	As manufactured vertical; ISO 6892-1
	800 MPa	As manufactured horizontal; ISO 6892-1
	660 MPa @Treatment Temp. 1180 °C, Time 7200 sec	Heat treated vertical; ISO 6892-1
	700 MPa @Treatment Temp. 1180 °C, Time 7200 sec	Heat treated horizontal; ISO 6892-1
Tensile Strength, Yield	580 MPa	As manufactured vertical; ISO 6892-1
	660 MPa	As manufactured horizontal; ISO 6892-1
	360 MPa @Treatment Temp. 1180 °C, Time 7200 sec	Heat treated horizontal; ISO 6892-1
	360 MPa @Treatment Temp. 1180 °C, Time 7200 sec	Heat treated vertical; ISO 6892-1
Elongation at Break	30 %	As manufactured horizontal; ISO 6892-1
	36 %	As manufactured vertical; ISO 6892-1
	44 % @Treatment Temp. 1180 °C, Time 7200 sec	Heat treated horizontal; ISO 6892-1
	48 % @Treatment Temp. 1180 °C, Time 7200 sec	Heat treated vertical; ISO 6892-1

Thermal Properties	Original Value	Comments
CTE, linear	14.8 µm/m-°C @Temperature 25.0 - 100 °C	ASTM E228
	15.7 µm/m-°C @Temperature 25.0 - 200 °C	ASTM E228
	16.3 µm/m-°C @Temperature 25.0 - 300 °C	ASTM E228
	16.7 µm/m-°C @Temperature 25.0 - 400 °C	ASTM E228

Component Elements Properties	Original Value	Comments
Chromium, Cr	19.5 - 20.5 %
Copper, Cu	0.50 - 1.0 %
Molybdenum, Mo	6.0 - 7.0 %
Nickel, Ni	17.5 - 18.5 %
Nitrogen, N	0.18 - 0.25 %

Descriptive Properties
Volume rate	6.1 mm3/s

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NEOS948 / 280608

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