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Refractory Metals

Plansee WL15 Lanthanum Oxide-doped Tungsten Rod
Categories: Metal; Nonferrous Metal; Refractory Metal; Tungsten Alloy

Material Notes: Tungsten alloy suitable for use as ion sources, lamp electrodes and welding electrodes.

Characteristics (compared to pure tungsten):

  • Improved creep resistance
  • Higher recrystallization temperature
  • Machines more easily
  • Lower electron work function

Information provided by Plansee.

Vendors: PLANSEE SE: Whether it's high temperatures, aggressive chemicals or extreme mechanical loading: PLANSEE supplies a suitable product solution in refractory metals or composite materials. As the world market leader in powder metallurgically produced high performance materials we combine outstanding materials knowledge with profound applications and technology know-how. Visit us at www.plansee.com.

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Physical PropertiesMetricEnglishComments
Specific Gravity 19.1 g/cc19.1 g/ccCalculated
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 164 W/m-K1140 BTU-in/hr-ft²-°Fcomparable to pure W
 
Processing PropertiesMetricEnglishComments
Recrystallization Temperature 1550 °C2820 °FDeformation level - 90%
 2600 °C4710 °FDeformation level - 99.99%
 
Component Elements PropertiesMetricEnglishComments
Other, each 1.5 %1.5 %Lanthanum Oxide
Tungsten, W 98.5 %98.5 %
 
Descriptive Properties
Creep Resistancegreater than pure W
Ductilitygreater than pure W
Fineness of Graingreater than pure W
Machinability/Workabilitymuch greater than pure W
Stability at High Temperaturegreater than pure W

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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NPLAM926 / 135482

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