Menu

Coefficients of thermal expansion


MaterialLinear temperature expansion coefficient $ α $ , in $ \mathrm{10^{-6} K} $
ABS (Acrylonitrile butadiene styrene) thermoplastic73.8
ABS-glass fiberreinforced30.4
Acetal106.5
Acetal-glass fiberreinforced39.4
Acrylic, sheet, cast81
Acrylic, extruded234
Alumina5.4
Aluminum22.2
Antimony10.4
Arsenic4.7
Barium20.6
Beryllium11.5
Invar1.5
Iridium6.4
Iron, pure12
Iron, cast10.4
Iron, forged11.3
Lanthanum12.1
Lead28
Limestone8
Lithium48
Lutetium9.9
Magnesium25
Manganese22
Polyester-glass fiber-reinforced25
Polyethylene (PE)200
Polyethylene (PE)-high molecular weight107.1
Polyethylene terephthalate (PET)59.4
Polyphenyleneglass fiberreinforced35.8
Polypropylene (PP), unfilled90.5
Polypropyleneglass fiberreinforced32
Polystyrene (PS)70
Polysulfone (PSO)55.8
Polyurethane (PUR), rigid57.6
Ethylene vinyl acetate (EVA)180
Europium35
Fluoroethylene propylene (FEP)135
Gadolinium9
Germanium6.1
Glass, hard5.9
Glass, Pyrex4
Glass, plate9
Gold14.2
Granite7.9
Graphite, pure7.9
Ice51
Bismuth13
Brass18.7
Brick masonry5.5
Bronze18
Cadmium30
Calcium22.3
Carbon-diamond1.2
Cast Iron Gray10.8
Cellulose acetate (CA)130
Cellulose acetate butynate (CAB)142.8-169.6
Cellulose nitrate (CN)100
Cement10
Cerium5.2
Marble5.5-14.1
Masonry4.7-9
Mica3
Molybdenum5
Monel13.5
Mortar7.3-13.5
Neodymium9.6
Nickel13
Niobium (Columbium)7
Nylon, general purpose72
Nylon, Type 11, molding and extruding compound100
Nylon, Type 12, molding and extruding compound80.5
Nylon, Type 6, cast85
Polyvinyl chloride (PVC)50.4
Polyvinylidene fluoride (PVDF)127.8
Porcelain4.5
Potassium83
Praseodymium6.7
Promethium11
Quartz0.77-1.4
Rhenium6.7
Rhodium8
Rubber, hard77
Ruthenium9.1
Samarium12.7
Sandstone11.6
Inconel12.6
Indium33
Wood, oak parallel to grain4.9
Wood, oak across to grain5.4
Wood, pine5
Ytterbium26.3
Yttrium10.6
Zinc29.7
Zirconium5.7
Terne11.6
Thallium29.9
Thorium12
Thulium13.3
Chlorinated polyvinylchloride (CPVC)66.6
Chromium6.2
Clay tile structure5.9
Cobalt12
Concrete14.5
Concrete structure9.8
Constantan18.8
Copper16.6
Copper, Beryllium 2517.8
Corundum, sintered6.5
Cupronickel 30%16.2
Diamond1.1
Dysprosium9.9
Ebonite76.6
Nylon, Type 6/6, molding compound80
Osmium5
Palladium11.8
Phenolic resin without fillers80
Plaster16.4
Platinum9
Plutonium54
Polyallomer91.5
Polyamide (PA)110
Polybutylene (PB)128.5
Polycarbonate (PC)70.2
Polycarbonateglass fiberreinforced21.5
Polyester123.5
Hafnium5.9
Scandium10.2
Selenium3.8
Silicon5.1
Silver19.5
Slate10.4
Sodium70
Solder 50–5024
Steatite8.5
Steel13
Steel Stainless Austenitic (304)17.3
Steel Stainless Austenitic (310)14.4
Steel Stainless Austenitic (316)16
Steel Stainless Ferritic (410)9.9
Strontium22.5
Tin23.4
Titanium8.6
Tungsten4.3
Uranium13.9
Vanadium8
Vinyl ester16-22
Wood, fir3.7
Epoxy, castings, resins, and compounds, unfilled55
Erbium12.2
Ethylene ethyl acrylate (EEA)205
Hard alloy K206
Hastelloy C11.3
Holmium11.2
Tellurium36.9