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Thermal Expansion of Metals

Thermal expansion of some common metals

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The linear thermal expansion coefficient is the ratio change in length per degree temperature to length.

Linear thermal expansion for some common metals:

MetalTemperature Range
(oF)
Thermal Expansion
(10-6 in/(in oF))
Admiralty Brass 68 - 572 11.2
Aluminum 68 - 212 13.1
Aluminum Bronze 68 - 572 9.0
Aluminum Alloy - 2011 12.8
Aluminum Alloy - 2017 13.1
Aluminum Alloy - 2024 12.9
Aluminum Alloy - 3003 12.9
Aluminum Alloy - 5052 13.2
Aluminum Alloy - 5086 13.2
Aluminum Alloy - 6061 13.0
Aluminum Alloy - 7075 13.1
Antimony   5
Beryllium   6.7
Beryllium Copper 68 - 212 9.3
Bismuth   7.2
Cast Iron, grey 32 - 212 5.8
Cast Steel, 3% C

7.0

Chromium   3.3
Cobalt   6.7
Copper 68 - 572 9.8
Copper-Base Alloy - Manganese Bronze 11.8
Copper-Base Alloy - C1100 (Electrolytic tough pitch) 9.8
Copper-Base Alloy - C14500 (Free Machining Cu) 9.9
Copper-Base Alloy - C17200, C17300 (Beryllium Cu) 9.9
Copper-Base Alloy - C18200 (Chromium Cu) 9.8
Copper-Base Alloy - C18700 (Leaded Cu) 9.8
Copper-Base Alloy - C22000 (Commercial bronze, 90%) 10.2
Copper-Base Alloy - C23000 (Red brass, 85%) 10.4
Copper-Base Alloy - C26000 (Cartridge brass, 70%) 11.1
Copper-Base Alloy - C27000 (Yellow brass) 11.3
Copper-Base Alloy - C28000 (Muntz metal, 60%) 11.6
Copper-Base Alloy - C33000 (Low-leaded brass tube) 11.2
Copper-Base Alloy - C35300 (High-leaded brass) 11.3
Copper-Base Alloy - C35600 (Extra high-leaded brass)  11.4
Copper-Base Alloy - C36000 (Free machining brass) 11.4
Copper-Base Alloy - C36500 (Leaded Muntz metal) 11.6
Copper-Base Alloy - C46400 (Naval brass) 11.8
Copper-Base Alloy - C51000 (Phosphor bronze, 5% A) 9.9
Copper-Base Alloy - C54400 (Free cutting phos. bronze) 9.6
Copper-Base Alloy - C62300 (Aluminum bronze, 9%) 9.0
Copper-Base Alloy - C62400 (Aluminum bronze, 11%) 9.2
Copper-Base Alloy - C63000 (Ni-Al bronze)  9.0
Copper-Base Alloy - Nickel-Silver 9.0
Cupronickel 68 - 572 9.0
Ductile Iron, A536 (120-90-02) 5.9 - 6.2
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
Malleable Iron, A220 (50005, 60004, 80002) 7.5
Manganese   12
Manganese Bronze 68 - 572 11.8
Molybdenum   3.0
Monel 32 - 212 7.8
Nickel-Base Alloy - Nickel 200, 201, 205 8.5
Nickel-Base Alloy - Hastelloy C-22 6.9
Nickel-Base Alloy - Hastelloy C-276 6.2
Nickel-Base Alloy - Inconel 718 7.2
Nickel-Base Alloy - Monel 8.7
Nickel-Base Alloy - Monel 400 7.7
Nickel-Base Alloy - K500 7.6
Nickel-Base Alloy - R405 7.6
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
Stainless Steel - S30100 9.4
Stainless Steel - S30200, S30300, S30323 9.6
Stainless Steel - S30215 9.0
Stainless Steel - S30400, S30500 9.6
Stainless Steel - S30430 9.6
Stainless Steel - S30800 9.6
Stainless Steel - S30900, S30908 8.3
Stainless Steel - S31000, S31008 8.8
Stainless Steel - S31600, S31700 8.8
Stainless Steel - S31703 9.2
Stainless Steel - S32100 9.2
Stainless Steel - S34700 9.2
Stainless Steel - S34800 9.3
Stainless Steel - S38400 9.6
Stainless Steel - S40300, S41000, S41600, 41623 5.5
Stainless Steel - S40500 6.0
Stainless Steel - S41400 5.8
Stainless Steel - S42000, S42020 5.7
Stainless Steel - S42200 6.2
Stainless Steel - S42900 5.7
Stainless Steel - S43000, S43020, S43023 5.8
Stainless Steel - S43600 5.2
Stainless Steel - S44002, S44004 5.7
Stainless Steel - S44003 5.6
Stainless Steel - S44600 5.8
Stainless Steel - S50100, S50200 6.2
Tantalum   3.6
Thorium   6.7
Tin 32 - 212 12.8
Titanium 68 - 200 4.8
Titanium Alloy - Ti-5Al-2.5Sn 5.3
Ti-8Mn 6.0
Tungsten   2.5
Uranium   7.4
Vanadium   4.4
Wrought Carbon Steel 70 - 800 7.8
Yellow Brass 68 - 572 11.3
Zinc   19
  • T(oC) = 5/9[T(oF) - 32]
  • 1 in (inch) = 25.4 mm
  • 1 ft (foot) = 0.3048 m
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