Nickel, Ni

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Nickel, Ni
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Pure Element
Material Notes:	This entry is for pure Ni. Nickel based alloys are the mainstay of many high performance markets in which corrosion resistance and/or heat resistance is required. Example applications include furnace components, chemical processing vessels, exchangers, and piping, high temperature aerospace components, nuclear reactors, extreme service pumps, turbines, pulp and paper production, and pollution control.
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Physical Properties	Original Value	Comments

Density	8.88 g/cc

Chemical Properties	Original Value	Comments
Atomic Mass	58.6934	1995
Atomic Number	28
Thermal Neutron Cross Section	4.8 barns/atom
X-ray Absorption Edge	1.488 Å	K
	12.267 Å	L_I
	14.135 Å	L_II
	14.4476 Å	L_III
Electrode Potential	-0.250 V
Electronegativity	1.91	Pauling
Ionic Radius	0.690 Å	Crystal Ionic Radius for Valence +2
Electrochemical Equivalent	1.0945 g/A/h

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	45.0 MPa	Annealed
	317 MPa	Typical
Tensile Strength, Yield	59.0 MPa	Typical
Elongation at Break	30 %	Annealed
Modulus of Elasticity	207 GPa
Poissons Ratio	0.31
Shear Modulus	76.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000640 ohm-cm
Magnetic Permeability	1240	mu(max) with B=1900G
Curie Temperature	358 °C

Thermal Properties	Original Value	Comments
Heat of Fusion	305.6 J/g
Heat of Vaporization	5862 J/g
CTE, linear	13.1 µm/m-°C @Temperature 20.0 °C
Specific Heat Capacity	0.460 J/g-°C
Thermal Conductivity	60.7 W/m-K
Melting Point	1455 °C
Boiling Point	2913 °C

Optical Properties	Original Value	Comments
Emissivity (0-1)	0.080 @Temperature 200 - 400 °C	polished total spectrum
	0.19 @Temperature 1000 °C	unoxidized
Reflection Coefficient, Visible (0-1)	0.413	300 nm spectral

Component Elements Properties	Original Value	Comments
Nickel, Ni	100 %

Descriptive Properties
CAS Number	7440-02-0

References for this datasheet.

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