Industeel URANUS® 45N+ 22% Cr Austenitic-Ferritic Duplex Stainless Steel

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Industeel URANUS® 45N+ 22% Cr Austenitic-Ferritic Duplex Stainless Steel
Categories:	Metal; Ferrous Metal; Duplex; Stainless Steel; T S30000 Series Stainless Steel
Material Notes:	Description: URANUS® 45N+ (UR 45N+) is a nitrogen alloyed austenitic-ferritic Duplex stainless steel (22.05), with a minimum PREN value guaranteed of 36 due to over-alloying in Molybdenum and Chromium. This alloy presents higher mechanical and corrosion resistance properties than duplex 22 Cr stainless steels. Its yield strength is about twice that of standard austenitic grades and well in excess of that of nitrogen alloyed austenitics. Operation temperature of UR 45 N+ is generally limited from -50°C to 280°C (- 58°F to 536°F). Lower temperature used particularly for welded structures may also be considered, but needs technical background. Information provided by manufacturer.
Key Words:	EURONORM 1.4462 - X2 Cr Ni Mo N 22.5.3, AFNOR Z3 CND 22.05.AZ, WERKSTOFF Nr 1.4462, UNS S31803, UNS S32205
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	>= 720 MPa
Tensile Strength, Yield	>= 510 MPa @Strain 0.2 %
	>= 540 MPa @Strain 1 %
Elongation at Break	>= 25 %
Modulus of Elasticity	200 GPa
Poissons Ratio	0.333	Calculated
Shear Modulus	75.0 GPa @Temperature 20.0 °C
Charpy Impact	>= 90.0 J
	120 J	Typical
	>= 75.0 J @Temperature -50.0 °C
	90.0 J @Temperature -50.0 °C	Typical

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000800 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	12.0 µm/m-°C @Temperature 20.0 - 100 °C
	12.5 µm/m-°C @Temperature 20.0 - 200 °C
	13.0 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.450 J/g-°C @Temperature 20.0 °C
Thermal Conductivity	17.0 W/m-K @Temperature 20.0 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.020 %
Chromium, Cr	22.6 %
Iron, Fe	67.799 %	As remainder
Molybdenum, Mo	3.4 %
Nickel, Ni	6.0 %
Nitrogen, N	0.18 %
Sulfur, S	0.0010 %

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