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Elmet Technologies

Industeel URANUS® B66 High Strength Super-Austenitic Stainless Steel with PREN = 54
Categories: Metal; Ferrous Metal; Austenitic; Stainless Steel; T S30000 Series Stainless Steel
Material Notes: Description: Research carried out these last five years has shown that combined additions of chromium, tungsten, molybdenum, nitrogen and copper, make it possible to design a super-austenitic stainless steel with mechanical properties equivalent to the alloy 625 and with very high corrosion resistance properties. Due to 22% Ni and 0.4% N additions, the new URANUS® B66 (UR B66) alloy exhibits a very stable microstructure, less prone to intermetallic phase precipitations than the other highly alloyed austenitic stainless steels. The UR B66 alloy has improved corrosion resistance properties compared to 6 Mo grades particularly in sea water and chlorinated sea water. Due to the optimum "cocktail" of alloying elements, the grade can be used in most very severe corrosive environments where it behaves almost equivalent or better than alloy 625.

Information provided by manufacturer.
Key Words: EURONORM (X1 Ni Cr Mo Cu 22.24.6), AFNOR (Z2 CNDWU 24.22.06.AZ), ASTM UNS S31266
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Physical PropertiesMetricEnglishComments
Density 8.20 g/cc0.296 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 220 - 260220 - 260Typical, V10
Tensile Strength, Ultimate >= 750 MPa>= 109000 psiMinimum Guaranteed
Tensile Strength, Yield  >= 420 MPa
@Strain 0.2 %		>= 60900 psi
@Strain 0.2 %
 >= 440 MPa
@Strain 1 %		>= 63800 psi
@Strain 1 %
Elongation at Break >= 50 %>= 50 %
Modulus of Elasticity 195 GPa28300 ksi
Poissons Ratio 0.300.30Calculated
Shear Modulus 75.0 GPa
@Temperature 20.0 °C		10900 ksi
@Temperature 68.0 °F
Charpy Impact >= 100 J
@Temperature -196 °C		>= 73.8 ft-lb
@Temperature -321 °F
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000100 ohm-cm
@Temperature 20.0 °C		0.000100 ohm-cm
@Temperature 68.0 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  15.0 µm/m-°C
@Temperature 20.0 - 100 °C		8.33 µin/in-°F
@Temperature 68.0 - 212 °F
 16.0 µm/m-°C
@Temperature 20.0 - 300 °C		8.89 µin/in-°F
@Temperature 68.0 - 572 °F
 16.5 µm/m-°C
@Temperature 20.0 - 500 °C		9.17 µin/in-°F
@Temperature 68.0 - 932 °F
Specific Heat Capacity 0.450 J/g-°C
@Temperature 20.0 °C		0.108 BTU/lb-°F
@Temperature 68.0 °F
Thermal Conductivity 12.0 W/m-K
@Temperature 20.0 °C		83.3 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
 
Component Elements PropertiesMetricEnglishComments
Chromium, Cr 24 %24 %
Copper, Cu 1.5 %1.5 %
Iron, Fe <= 41.1 %<= 41.1 %As remainder
Manganese, Mn 3.0 %3.0 %
Molybdenum, Mo 6.0 %6.0 %
Nickel, Ni 22 %22 %
Nitrogen, N >= 0.40 %>= 0.40 %
Tungsten, W 2.0 %2.0 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NINDUST45 / 17583

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