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ASTM B365 Grade R05400 Soft Annealed Tantalum: Superior Corrosion Resistance

Tantalum rod and wire with excellent corrosion resistance. Application: electronics, chemical plant construction, aerospace, implants, superconductors

Properties

General

Property	Temperature	Value
Density	20.0 °C	16.65 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	186 GPa
Elongation	20.0 °C	10 - 20 %
Elongation A25	20.0 °C	25 %
Poisson's ratio	20.0 °C	0.34 [-]
Shear modulus	23.0 °C	69 GPa	Typical for Tantalum
Tensile strength	20.0 °C	172 - 241 MPa
Yield strength Rp0.2	20.0 °C	103 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	500.0 °C	6.48E-6 1/K
Melting point		2996 °C	Typical for Tantalum
Specific heat capacity	20.0 °C	141 J/(kg·K)
Thermal conductivity	20.0 °C	55.3 W/(m·K)
	2000.0 °C	83 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	1.35E-7 Ω·m
	1000.0 °C	5.5E-7 Ω·m
	2000.0 °C	9E-7 Ω·m

Chemical properties

Property	Value
Carbon	0.01 %
Hydrogen	1.5E-3 %
Iron	0.01 %
Molybdenum	0.02 %
Nickel	0.01 %
Niobium	0.1 %
Nitrogen	0.01 %
Oxygen	0.03 %
Silicon	5E-3 %
Titanium	0.01 %
Tungsten	0.05 %

ASTM B365 Grade R05200 Soft-Annealed Tantalum Rod & Wire (+A) – High Corrosion Resistance & Versatile Applications ASTM B521 Grade R05200 Tantalum Tubes – Superior Corrosion Resistance

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