engineeringtoolbox.comLinear Thermal Expansion Coefficients of Materials
| ABS (Acrylonitrile butadiene styrene) thermoplastic |
72 - 108 |
| ABS -glass fiber-reinforced |
31 |
| Acetal - glass fiber-reinforced |
39 |
| Acetals |
85 - 110 |
| Acrylic |
68 - 75 |
| ALLVAR Alloy 30 (negative thermal expansion) |
-30 |
| Alumina (aluminium oxide, Al2O3) |
8.1 |
| Aluminum |
21 - 24 |
| Aluminum nitride |
5.3 |
| Amber |
50 - 60 |
| Antimonial lead (hard lead) |
26.5 |
| Antimony |
9 - 11 |
| Arsenic |
4.7 |
| Bakelite, bleached |
22 |
| Barium |
20.6 |
| Barium ferrite |
10 |
| Benzocyclobutene |
42 |
| Beryllium |
12 |
| Bismuth |
13 - 13.5 |
| Brass |
18 - 19 |
| Brick masonry |
5 |
| Bronze |
17.5 - 18 |
| Cadmium |
30 |
| Calcium |
22.3 |
| Caoutchouc |
66 - 69 |
| Cast Iron Gray |
10.8 |
| Celluloid |
100 |
| Cellulose acetate (CA) |
130 |
| Cellulose acetate butynate (CAB) |
96 - 171 |
| Cellulose nitrate (CN) |
80 - 120 |
| Cement, Portland |
11 |
| Cerium |
5.2 |
| Chlorinated polyether |
80 |
| Chlorinated polyvinylchloride (CPVC) |
63 - 66 |
| Chromium |
6 - 7 |
| Clay tile structure |
5.9 |
| Cobalt |
12 |
| Concrete |
13 - 14 |
| Concrete structure |
9.8 |
| Constantan |
15.2 - 18.8 |
| Copper |
16 - 16.7 |
| Copper, Beryllium 25 |
17.8 |
| Corundum, sintered |
6.5 |
| Cupronickel 30% (constantan) |
16.2 |
| Diamond (Carbon) |
1.1 - 1.3 |
| Duralumin |
23 |
| Dysprosium |
9.9 |
| Ebonite |
70 |
| Epoxy - glass fiber reinforced |
36 |
| Epoxy, cast resins & compounds, unfilled |
45 - 65 |
| Erbium |
12.2 |
| Ethylene ethyl acrylate (EEA) |
205 |
| Ethylene vinyl acetate (EVA) |
180 |
| Europium |
35 |
| Fluoroethylene propylene (FEP) |
135 |
| Fluorspar, CaF2 |
19.5 |
| Gadolinium |
9 |
| German silver |
18.4 |
| Germanium |
6.1 |
| Glass, hard |
5.9 |
| Glass, plate |
9.0 |
| Glass, Pyrex |
4.0 |
| Gold |
14.2 |
| Gold - copper |
15.5 |
| Gold - platinum |
15.2 |
| Granite |
7.9 - 8.4 |
| Graphite, pure (Carbon) |
4 -8 |
| Gunmetal |
18 |
| Gutta percha |
198 |
| Hafnium |
5.9 |
| Hard alloy K20 |
6 |
| Hastelloy C |
11.3 |
| Holmium |
11.2 |
| Ice, 0 oC water |
51 |
| Inconel |
11.5 - 12.6 |
| Indium |
33 |
| Invar |
1.5 |
| Iridium |
6.4 |
| Iron, cast |
10.4 - 11 |
| Iron, forged |
11.3 |
| Iron, pure |
12.0 |
| Kapton |
20 |
| Lanthanum |
12.1 |
| Lead |
29 |
| Limestone |
8 |
| Lithium |
46 |
| Lutetium |
9.9 |
| Macor |
9.3 |
| Magnalium |
23.8 |
| Magnesium |
25 - 26.9 |
| Magnesium alloy AZ31B |
26 |
| Manganese |
22 |
| Manganin |
18.1 |
| Marble |
5.5 - 14.1 |
| Masonry, brick |
4.7 - 9.0 |
| Mercury |
61 |
| Mica |
3 |
| Molybdenum |
5 |
| Monel metal |
13.5 |
| Mortar |
7.3 - 13.5 |
| Neodymium |
9.6 |
| Nickel |
13.0 |
| Niobium (Columbium) |
7 |
| Nylon, general purpose |
50 - 90 |
| Nylon, glass fiber reinforced |
23 |
| Nylon, Type 11, molding and extruding compound |
100 |
| Nylon, Type 12, molding and extruding compound |
80.5 |
| Nylon, Type 6, cast |
85 |
| Nylon, Type 6/6, molding compound |
80 |
| Oak, perpendicular to the grain |
54 |
| Osmium |
5 - 6 |
| Palladium |
11.8 |
| Paraffin |
106 - 480 |
| Phenolic resin without fillers |
60 - 80 |
| Phosphor bronze |
16.7 |
| Plaster |
17 |
| Plastics |
40 - 120 |
| Platinum |
9 |
| Plutonium |
47 - 54 |
| Polyacrylonitrile |
70 |
| Polyallomer |
92 |
| Polyamide (PA) |
110 |
| Polybutylene (PB) |
130 - 139 |
| Polycarbonate (PC) |
65 - 70 |
| Polycarbonate - glass fiber-reinforced |
21.5 |
| Polyester |
124 |
| Polyester - glass fiber-reinforced |
25 |
| Polyethylene (PE) |
108 - 200 |
| Polyethylene (PE) - High Molecular Weight |
108 |
| Polyethylene terephthalate (PET) |
59.4 |
| Polyphenylene |
54 |
| Polyphenylene - glass fiber-reinforced |
36 |
| Polypropylene (PP), unfilled |
72 - 90 |
| Polypropylene - glass fiber-reinforced |
32 |
| Polystyrene (PS) |
70 |
| Polysulfone (PSO) |
55 - 60 |
| Polytetrafluorethylene (PTFE) |
112 - 135 |
| Polyurethane (PUR), rigid |
57.6 |
| Polyvinyl chloride (PVC) |
54 - 110 |
| Polyvinylidene fluoride (PVDF) |
128 - 140 |
| Porcelain, Industrial |
4 |
| Potassium |
83 |
| Praseodymium |
6.7 |
| Promethium |
11 |
| Quartz, fused |
0.55 |
| Quartz, mineral |
8 - 14 |
| Rhenium |
6.7 |
| Rhodium |
8 |
| Rock salt |
40.4 |
| Rubber, hard |
80 |
| Ruthenium |
9.1 |
| Samarium |
12.7 |
| Sandstone |
11.6 |
| Sapphire |
5.3 |
| Scandium |
10.2 |
| Selenium |
37 |
| Silicon |
3 - 5 |
| Silicon Carbide |
2.77 |
| Silver |
19 - 19.7 |
| Sitall |
0.15 |
| Slate |
10 |
| Sodium |
70 |
| Solder lead - tin, 50% - 50% |
25 |
| Speculum metal |
19.3 |
| Steatite |
8.5 |
| Steel |
10.8 - 12.5 |
| 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 |
20 - 23 |
| Titanium |
8.5 - 9 |
| Topas |
5 - 8 |
| Tungsten |
4.5 |
| Uranium |
13.4 |
| Vanadium |
8 |
| Vinyl Ester |
16 - 22 |
| Vulcanite |
63.6 |
| Wax |
2 - 15 |
| Wedgwood ware |
8.9 |
| Wood, across (perpendicular) to grain |
30 |
| Wood, fir |
3.7 |
| Wood, parallel to grain |
3 |
| Wood, pine |
5 |
| Ytterbium |
26.3 |
| Yttrium |
10.6 |
| Zinc |
30 - 35 |
| Zirconium |
5.7 |