Coefficients of Linear Expansion

Linear temperature expansion coefficients for some common materials as aluminum, copper, glass, iron and many more

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Thermal expansion coefficients for some common materials can be found in the table below:

Product	Linear Temperature Expansion Coefficient - α-
Product	(m/m.K x 10^-6)	(in/in.^oF x 10^-6)
ABS thermoplastic	99	55
ABS -glass fiber-reinforced		17
Acetal - glass fiber-reinforced		22
Acrylic		38
Alumina	5.4	3.0
Aluminum	22.2	12.3
Antimony	10.4	5.8
Beryllium	11.5	6.4
Beryllium Copper (Cu 75, Be 25)	16.7	9.3
Brass	18.7	10.4
Brick	5.5	3.1
Bronze	18.0	10.0
Carbon - diamond	1.2	0.67
Cast Iron Gray	10.8	6.0
Cement	10.0	6.0
Concrete	14.5	8.0
Copper	16.5	9.3
CPVC thermoplastic	61	34
Epoxy	18 - 20	10 - 11
Glass, hard	5.9	3.3
Glass, Pyrex	4.0	2.2
Glass, plate	9.0	5.0
Gold	14.2	8.2
Graphite	7.9	4.4
Inconel	12.6	7.0
Iron, pure	12.0	6.7
Iron, cast	10.4	5.9
Iron, forged	11.3	6.3
Lead	28.0	15.1
Magnesium		14
Marble	12	6.5
Masonry	4.5 - 9.0	2.5 - 9.0
Monel	13.5	7.5
Mortar	7.3 - 13.5	4.1-7.5
Nickel	13.0	7.2
Nylon		13
Plaster	25	13.9
Platinum	9.0	5.0
Polycarbonate - glass fiber-reinforced		12
Polyester		69
Polyester - glass fiber-reinforced		14
Plyethylene		72
Polyphenylene - glass fiber-reinforced		20
Polypropylene		48
Polypropylene - glass fiber-reinforced		18
Porcelain	3.0	1.7
PVC thermoplastic	52	29
Quartz, fused	0.59	0.33
Rubber	77	42.8
Silver	19.5	10.7
Solder	24.0	13.4
Steel	13.0	7.3
Steel Stainless Austenitic (304)	17.3	9.6
Steel Stainless Austenitic (310)	14.4	8.0
Steel Stainless Austenitic (316)	16.0	8.9
Steel Stainless Ferritic (410)	9.9	5.5
Tin	23.4	13.0
Titanium	8.6	4.8
Tungsten	4.3	2.4
Uranium	13.9	7.7
Vinyl Ester	16 - 22	8.7 - 12
Wood, oak parallel to grain	4.9	2.7
Wood, oak across to grain	5.4	3.0
Zinc	29.7	16.5

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