Tantalum, Ta; Sintered, Cast (UNS R05210)

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Tantalum, Ta; Sintered, Cast (UNS R05210)
Categories:	Metal; Nonferrous Metal; Refractory Metal; Pure Element
Material Notes:	Sintered unalloyed Characteristics: high corrosion resistance, fine microstructure, excellent cold ductility, excellent formability and weldability
Key Words:	UNS R05210
Vendors:	Eagle Alloys Corporation is a leading supplier of quality metals and alloys. Our staff prides itself on working fast, efficiently and courteously to get you the information you need. Call (800) 237-9012 or visit www.EagleAlloys.com. 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. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	16.656 g/cc
a Lattice Constant	3.303 Å	body-centered cubic
Vapor Pressure	5.00e-13 bar @Temperature 1800 °C
	7.00e-10 bar @Temperature 2200 °C

Chemical Properties	Original Value	Comments
Atomic Mass	180.95
Atomic Number	73
Atomic Volume	1.8e-029	m^3

Mechanical Properties	Original Value	Comments
Hardness, Vickers	120
Tensile Strength, Ultimate	310 MPa
Tensile Strength, Yield	220 MPa @Strain 0.2 %
Elongation at Break	30 %
Modulus of Elasticity	185 GPa
	150 GPa @Temperature 1200 °C
	155 GPa @Temperature 800 °C
	165 GPa @Temperature 400 °C
Poissons Ratio	0.35
Shear Modulus	68.5 GPa	Calculated

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000125 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	6.50 µm/m-°C
	6.70 µm/m-°C @Temperature 200 °C
	6.90 µm/m-°C @Temperature 600 °C
	7.10 µm/m-°C @Temperature 1000 °C
Specific Heat Capacity	0.139 J/g-°C
	0.140 J/g-°C @Temperature 400 °C
	0.150 J/g-°C @Temperature 800 °C
	0.170 J/g-°C @Temperature 1200 °C
Thermal Conductivity	57.55 W/m-K
	53.0 W/m-K @Temperature 200 °C
	55.0 W/m-K @Temperature 400 °C
	57.0 W/m-K @Temperature 600 °C
Melting Point	2996 °C
Boiling Point	5460 °C

Processing Properties	Original Value	Comments
Recrystallization Temperature	900 - 1450 °C	Annealing time: 1 hour

Component Elements Properties	Original Value	Comments
Tantalum, Ta	100 %	impurities not specified

References for this datasheet.

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MRTa01 / 100351

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