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List of Thermal Expansion Coefficients (CTE) for Natural and Engineered Materials

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Materials Linear Thermal Expansion Coefficient
- α -
(10-6 m/(m K))*)
ABS (Acrylonitrile butadiene styrene) thermoplastic 73.8
ABS -glass fiber-reinforced 30.4
Acetals 106.5
Acetal - glass fiber-reinforced 39.4
Acrylic 75
Alumina (aluminium oxide, Al2O3)                 (Sputtering Target)(powders)(Milling media)   (Sapphire/Single Crystal)(Planetary Milling Jars)(Roller Milling Jars) 8.1
Aluminum (Sputtering Target) 21 - 24
Aluminum nitride (Sputtering Target)(AlN template Sapphire 5.3
Amber 50 - 60
Antimony (Sputtering Target) 9 - 11
Arsenic 4.7
Bakelite, bleached 22
Barium 20.6
Barium ferrite 10
Benzocyclobutene 42
Beryllium 11.5
Bismuth (Sputtering Target) 13
Brass 18.7
Brick masonry 5.5
Bronze 18.0
Cadmium (Sputtering Target) 30
Calcium 22.3
Cast Iron Gray 10.8
Caoutchouc 66 - 69
Celluloid 100
Cellulose acetate (CA) 130
Cellulose acetate butynate (CAB) 96 - 171
Cellulose nitrate (CN) 80 - 120
Cement 10.0
Cerium (Sputtering Target) 5.2
Chlorinated polyether 80
Chlorinated polyvinylchloride (CPVC) 66.6
Chromium (Sputtering Target) 6.2
Clay tile structure 5.9
Cobalt (Sputtering Target) 12
Concrete 14.5
Concrete structure 9.8
Constantan 18.8
Copper (Sputtering Target) 16.6
Copper, Beryllium 25 17.8
Corundum, sintered 6.5
Cupronickel 30% 16.2
Diamond (Carbon) 1.18
Duralumin 23
Dysprosium (Sputtering Target) 9.9
Ebonite 76.6
Epoxy, cast resins & compounds, unfilled 45 - 65
Erbium (Sputtering Target) 12.2
Ethylene ethyl acrylate (EEA) 205
Ethylene vinyl acetate (EVA) 180
Europium (Sputtering Target) 35
Fluoroethylene propylene (FEP) 135

Fluorspar, CaF2 (Single Crystal)    (Sputtering Target)

19.5
Gadolinium (Sputtering Target) 9
Germanium (Sputtering Target) 6.1
German silver 18.4
Glass, hard 5.9
Glass, Pyrex 4.0
Glass, plate 9.0
Gold (Sputtering Target) 14.2
Gold - copper 15.5
Gold - platinum 15.2
Granite 7.9
Graphite, pure (Carbon) (Sputtering Target)  (Anode Materials) 2 - 6
Gunmetal 18
Gutta percha 198
Hafnium (Sputtering Target) 5.9
Hard alloy K20 6
Hastelloy C22 (Sputtering Target) 12.4
Hastelloy C276 (Sputtering Target) 11.2
Hastelloy N (Sputtering Target) 12.3
Holmium (Sputtering Target) 11.2
Ice, 0oC water 51
Inconel 625                                                    (Additive Manufacturing/3D Printing Powder) 13.1
Inconel 718                                                    (Additive Manufacturing/3D Printing Powder) 12.8
Indium (Sputtering Target) 33
Invar 1.5
Iridium (Sputtering Target) 6.4
Iron, pure (Sputtering Target) 12.0
Iron, cast 10.4
Iron, forged 11.3
Kapton 20
Lanthanum (Sputtering Target) 12.1
Lead (Sputtering Target) 28.9
Limestone 8
Lithium (Chips for Batteries) 46
Lutetium (Sputtering Target) 9.9
Macor 9.3
Magnalium 23.8
Magnesium (Sputtering Target) 25
Manganese (Sputtering Target) 22
Manganin 18.1
Marble 5.5 - 14.1
Masonry 4.7 - 9.0
Mercury 61
Mica 3
Molybdenum (Sputtering Target) 5
Monel metal 13.5
Mortar 7.3 - 13.5
Neodymium (Sputtering Target) 9.6
Nickel (Sputtering Target) 13.0
Niobium (Sputtering Target) 7.3
Nylon, general purpose 72
Nylon, Type 11, molding and extruding compound 100
Nylon, Type 12, molding and extruding compound 80.5
Nylon, Type 6, cast (Planetary Milling Jar)(Roller Milling Jar) 85
Nylon, Type 6/6, molding compound 80
Oak, perpendicular to the grain 54
Osmium 5
Palladium (Sputtering Target) 11.8
Paraffin 106 - 480
Phenolic resin without fillers 60 - 80
Phosphor bronze 16.7
Plaster 16.4
Plastics 40 - 120
Platinum (Sputtering Target) 9.0
Plutonium 54
Polyacrylonitrile 70
Polyallomer 91.5
Polyamide (PA) 110
Polybutylene (PB) 130
Polycarbonate (PC) 70.2
Polycarbonate - glass fiber-reinforced 21.5
Polyester 123.5
Polyester - glass fiber-reinforced 25
Polyethylene (PE) 200
Polyethylene (PE) - High Molecular Weight 108
Polyethylene terephthalate (PET) 59.4
Polyphenylene - glass fiber-reinforced 35.8
Polypropylene (PP), unfilled 100 - 200
Polypropylene - glass fiber-reinforced 32
Polystyrene (PS) 70
Polysulfone (PSO) 55.8
Polyurethane (PUR), rigid 57.6
Polyvinyl chloride (PVC) 50.4
Polyvinylidene fluoride (PVDF) 127.8
Porcelain, Industrial 6.5
Potassium 83
Praseodymium 6.7
Promethium 11
Quartz 0.77 - 1.4
Rhenium 6.7
Rhodium 8
Rock salt 40.4
Rubber, hard 77
Ruthenium 9.1
Samarium 12.7
Sandstone 11.6
Sapphire 5.3
Scandium 10.2
Selenium 3.8
Silicon 3
Silicon Carbide 4.0
Silver 19.5
Sitall 0.15
Slate 10.4
Sodium 70
Solder lead - tin, 50% - 50% 24.0
Speculum metal 19.3
Steatite 8.5
Steel 12.0
Steel Stainless Austenitic (304) 17.3
Steel Stainless Austenitic (310) 14.4
Steel Stainless Austenitic (316) 16.0
Steel Stainless Ferritic (410) 9.9
Strontium 22.5
Tantalum 6.5
Tellurium 36.9
Terbium 10.3
Terne 11.6
Thallium 29.9
Thorium 12
Thulium 13.3
Tin 23.4
Titanium 8.6
Topas 5 - 8
Tungsten 4.3
Uranium 13.9
Vanadium 8
Vinyl Ester 16 - 22
Vulcanite 63.6
Wax 2 - 15
Wedgwood ware 8.9
Wood, fir 3.7
Wood, parallel to grain 3
Wood, across (perpendicular) to grain 30
Wood, pine 5
Ytterbium 26.3
Yttrium 10.6
Zinc 29.7
Zirconium 5.7

*)  m/m = meter per meter

Most values for temperature at 25 oC (77 oF).

  • tK = tC + 273.16
  • 1 in (inch) = 25.4 mm
  • 1 ft (foot) = 0.3048 m

Dilatometry and Thermal Expansion Coefficient (CTE) Testing Services

Choose professional Dilatometry and Thermal Expansion Coefficient (CTE) Testing Services from MSE Analytical Services. Our dialometry testing services use NETZSCH DIL 402 PC or similar instrument.

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