Thermal Expansion Metals

Thermal expansion of some common metals

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The coefficient of linear thermal expansion is the ratio of the change in length per degree F (imperial) to the length.

Linear thermal expansion for some common metals can be found in the table below:

Metal	Temperature Range (^oF)	Thermal Expansion (microinch/(in ^oF))
Admiralty Brass	68 - 572	11.2
Aluminum	68 - 212	13.1
Aluminum Bronze	68 - 572	9.0
Antimony		5
Beryllium		6.7
Beryllium Copper	68 - 212	9.3
Bismuth		7.2
Cast Iron, gray	32 - 212	5.8
Chromium		3.3
Cobalt		6.7
Copper	68 - 572	9.8
Cupronickel	68 - 572	9.0
Gold		7.9
Hastelloy C	70 - 200	5.3
Inconel	68 - 212	6.4
Incoloy	32 - 212	8.0
Iridium		3.3
Iron, nodular pearlitic	68 - 212	6.5
Iron, pure	68 - 212	6.8
Magnesium		14
Manganese		12
Manganese Bronze	68 - 572	11.8
Molybdenum		3.0
Monel	32 - 212	7.8
Nickel Wrought	77 - 212	7.4
Niobium (Columbium)		3.9
Red Brass	68 - 572	10.4
Osmium		2.8
Platinum		5
Plutonium		19.84
Potassium		46
Rhodium		4.4
Selenium		21
Silicon		2.8
Silver		11
Sodium		39
Tantalum		3.6
Thorium		6.7
Tin	32 - 212	12.8
Titanium	68 - 200	4.8
Tungsten		2.5
Uranium		7.4
Vanadium		4.4
Wrought Carbon Steel	70 - 800	7.8
Yellow Brass	68 - 572	11.3
Zinc		19

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