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Sandvik 254 SMO Seamless tube and pipe
Categories: Metal; Ferrous Metal; Austenitic; Stainless Steel

Material Notes: Sandvik 254 SMO™ is an austenitic stainless steel of the ELC type developed for use in seawater and other aggressive chloride-bearing media. The steel is characterized by the following properties:
  • excellent resistance to pitting and crevice corrosion
  • high resistance to general corrosion
  • high resistance to stress corrosion cracking
  • higher strength than conventional austenitic stainless steels
  • good weldability
  • Information provided by Sandvik

    UNS S31254; EN 1.4547

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    Physical PropertiesOriginal ValueComments
    Density 8.00 g/cc
     
    Mechanical PropertiesOriginal ValueComments
    Hardness, Rockwell B 96
    Tensile Strength, Ultimate 655 - 850 MPa
    @Diameter >=5.00 mm
     675 - 850 MPa
    @Diameter 5.00 mm
    Tensile Strength, Yield >= 310 MPa
    @Strain 0.2 %
     >= 340 MPa
    @Strain 1 %
     >= 148 MPa
    @Strain 0.2 %,
    Temperature 500 °C
     >= 160 MPa
    @Strain 0.2 %,
    Temperature 400 °C
     >= 170 MPa
    @Strain 0.2 %,
    Temperature 300 °C
     >= 180 MPa
    @Strain 1 %,
    Temperature 500 °C
     >= 190 MPa
    @Strain 1 %,
    Temperature 400 °C
     >= 190 MPa
    @Strain 0.2 %,
    Temperature 200 °C
     >= 200 MPa
    @Strain 1 %,
    Temperature 300 °C
     >= 225 MPa
    @Strain 1 %,
    Temperature 200 °C
     >= 230 MPa
    @Strain 0.2 %,
    Temperature 100 °C
     >= 270 MPa
    @Strain 1 %,
    Temperature 100 °C
    Elongation at Break >= 35 %
     >= 35 %
    @Thickness 50.8 mm
    Modulus of Elasticity 195 GPa
     158 GPa
    @Temperature 500 °C
     166 GPa
    @Temperature 500 °C
     174 GPa
    @Temperature 300 °C
     182 GPa
    @Temperature 200 °C
     190 GPa
    @Temperature 100 °C
     
    Thermal PropertiesOriginal ValueComments
    CTE, linear 16.0 µm/m-°C
    @Temperature 30.0 - 100 °C
     16.0 µm/m-°C
    @Temperature 30.0 - 200 °C
     16.0 µm/m-°C
    @Temperature 30.0 - 100 °C
     16.5 µm/m-°C
    @Temperature 30.0 - 300 °C
     17.0 µm/m-°C
    @Temperature 30.0 - 500 °C
     17.0 µm/m-°C
    @Temperature 30.0 - 500 °C
     17.5 µm/m-°C
    @Temperature 30.0 - 700 °C
     17.5 µm/m-°C
    @Temperature 30.0 - 700 °C
    Specific Heat Capacity 0.485 J/g-°C
    @Temperature 20.0 °C
     0.510 J/g-°C
    @Temperature 100 °C
     0.535 J/g-°C
    @Temperature 200 °C
     0.565 J/g-°C
    @Temperature 300 °C
     0.585 J/g-°C
    @Temperature 400 °C
     0.600 J/g-°C
    @Temperature 500 °C
     0.615 J/g-°C
    @Temperature 600 °C
     0.625 J/g-°C
    @Temperature 700 °C
    Thermal Conductivity 10.0 W/m-K
    @Temperature 20.0 °C
     12.0 W/m-K
    @Temperature 100 °C
     14.0 W/m-K
    @Temperature 200 °C
     16.0 W/m-K
    @Temperature 300 °C
     18.0 W/m-K
    @Temperature 400 °C
     20.0 W/m-K
    @Temperature 500 °C
     21.0 W/m-K
    @Temperature 600 °C
     23.0 W/m-K
    @Temperature 700 °C
     
    Component Elements PropertiesOriginal ValueComments
    Carbon, C <= 0.020 %
    Chromium, Cr 20 %
    Copper, Cu 0.70 %
    Iron, Fe 53.1 %As Balance
    Manganese, Mn <= 1.0 %
    Molybdenum, Mo 6.1 %
    Nickel, Ni 18 %
    Nitrogen, N 0.20 %
    Phosphorus, P <= 0.030 %
    Silicon, Si <= 0.80 %
    Sulfur, S <= 0.010 %

    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 go back to viewing the property data in MatWeb's normal format.

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    NSANDV225 / 19119

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