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	Metric	English	Comments

Density	8.88 g/cc	0.321 lb/in³

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

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	45.0 MPa	6530 psi	Annealed
	317 MPa	46000 psi	Typical
Tensile Strength, Yield	59.0 MPa	8560 psi	Typical
Elongation at Break	30 %	30 %	Annealed
Modulus of Elasticity	207 GPa	30000 ksi
Poissons Ratio	0.31	0.31
Shear Modulus	76.0 GPa	11000 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000640 ohm-cm	0.00000640 ohm-cm
Magnetic Permeability	1240	1240	mu(max) with B=1900G
Curie Temperature	358 °C	676 °F

Thermal Properties	Metric	English	Comments
Heat of Fusion	305.6 J/g	131.5 BTU/lb
Heat of Vaporization	5862 J/g	2522 BTU/lb
CTE, linear	13.1 µm/m-°C @Temperature 20.0 °C	7.28 µin/in-°F @Temperature 68.0 °F
Specific Heat Capacity	0.460 J/g-°C	0.110 BTU/lb-°F
Thermal Conductivity	60.7 W/m-K	421 BTU-in/hr-ft²-°F
Melting Point	1455 °C	2651 °F
Boiling Point	2913 °C	5275 °F

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.080 @Temperature 200 - 400 °C	0.080 @Temperature 392 - 752 °F	polished total spectrum
	0.19 @Temperature 1000 °C	0.19 @Temperature 1830 °F	unoxidized
Reflection Coefficient, Visible (0-1)	0.413	0.413	300 nm spectral

Component Elements Properties	Metric	English	Comments
Nickel, Ni	100 %	100 %

Descriptive Properties
CAS Number	7440-02-0

References for this datasheet.

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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