1、ProductLinear Temperature Expansion Coefficient -a- (10em/(m K)ABS -glass fiber-reinforced31Acetals85 - 110Acetal - glass fiber-reinforced39Acrylic68 - 75Alumina (aluminium oxide, Al2O3)8.1Aluminum21 - 24Aluminum nitride5.3Amber50 - 60Antimony9 - 11Antimonial lead (hard lead)26.5Arsenic4.7Bakelite,

2、bleached22Barium20.6Barium ferrite10Benzocyclobutene42Beryllium12Bismuth13 - 13.5Brass18 - 19Brick masonry5Bronze17.5 - 18Cadmium30Calcium22.3Cast Iron Gray10.8Caoutchouc66 - 69Celluloid100Cellulose acetate (CA)130Cellulose acetate butynate (CAB)96 - 171Cellulose nitrate (CN)80-120Cement, Portland11

3、Cerium5.2Chlorinated polyether80Chlorinated polyvinylchloride (CPVC)63 - 66Chromium6 - 7Clay tile structure5.9Cobalt12Concrete13 - 14Concrete structure9.8Constantan15.2 - 18.8Copper16 - 16.7Copper Beryllium 2517.8Corundum, sintered6.5Cupronickel 30% (constantan)16.2Diamond (Carbon)1 1 - 1 3Duralumin

4、23Dysprosium9.9Ebonite70Epoxy cast resins & compounds unfilled45 - 65Epoxy - glass fiber reinforced36Erbium12.2Ethylene ethyl acrylate (EEA)205Ethylene vinyl acetate (EVA)180ProductLinear Temperature Expansion Coefficient -a- (10em/(m K)Europium35Fluoroethylene propylene (FEP)135Fluorspar, CaF?19.5G

5、adolinium9Germanium6.1German silver18.4Glass, hard5.9Glass, Pyrex40Glass, plate9.0Gold14.2Gold - copper15 5Gold - platinum15.2Granite7.9 - 8.4Graphite, pure (Carbon)4 -8Gunmetal18Gutta percha198Hafnium5 9Hard alloy K206Hastelloy C11.3Holmium11.2Ice, 0oC water51Inconel11.5 - 12.6Indium33Invar1.5Iridi

6、um64Iron, pure12.0Iron, cast10.4 - 11Iron, forged11 3Kapton20Lanthanum12.1Lead29Limestone8Lithium46Lutetium9.9Macor93Magnalium23.8Magnesium25 - 26.9Magnesium alloy AZ31B26Manganese22Manganic18.1Marble5.5 - 14.1Masonry, brick4.7 - 9.0Mercury61Mica3Molybdenum5Monel metal13.5Mortar7.3 - 13.5Neodymium96

7、Nickel13.0Niobium (Columbium)ZNylon, general purpose50 - 90ProductLinear Temperature Expansion Coefficient -a- (10em/(m K)Nvlon glass fiber reinforced23Nylon, Type 11, molding and extruding compound100Nylon, Type 12, molding and extruding compound80.5Nylon, Type 6, cast85Nylon, Type 6/6, molding com

8、pound80Cak perpendicular to the grain54Osmium5 - 6Palladium11.8Paraffin106 - 480Phenolic resin without fillers60 - 80Phosphor bronze16.7Plaster17Plastics40-120Platinum9Plutonium47 - 54Polyacrylonitrile70Polyallomer92Polyamide (PA)110Pnl/hi ih/lonn1 qn _ 1 qqPolycarbonate (PC)65 - 70Polycarbonate - g

9、lass fiber-reinforced21.5Polyester124Polyester - glass fiber-reinforced25Polyethylene (PE)108 - 200Polyethylene (PE) - High Molecular Weight108Polyethylene terephthalate (PET)59.4Polyphenylene54Polyphenylene - glass fiber-reinforced36Polypropylene (PP), unfilled72 - 90Polypropylene - glass fiber-rei

10、nforced32Polystyrene (PS)70Polysulfone (PSO)55 - 60Polytetrafluorethylene (PTFE)Polyurethane (PUR), rigid112- 13557.6Polyvinyl chloride (PVC)54 - 110Polyvinylidene fluoride (PVDF)128-140Porcelain, Industrial4Potassium83Praseodymium6.7Promethium11Quartz, mineral8 - 14Quartz, fused0.55Rhenium6.7Rhodiu

11、m8Rock salt40.4Rubber hard80Ruthenium9.1Samarium12.7Sandstone11.6ProductLinear Temperature Expansion Coefficient -a- (10em/(m K)Sapphire5.3Scandium10.2Selenium37Silicon3 - 5Silicon Carbide2.77Silver19 - 19.7Sitall0.15Slate10Sodium70Solder lead - tin 50% - 50%25Speculum metal19.3Steatite8.5Steel11 - 12.5Steel Stainless Austenitic (304)17.3Steel Stainless Austenitic (310)14.4Steel Stainless Austenitic (316)16.0Steel Stainless Ferritic (410)9.9Strontium22.5Tantalum6.5Tellurium36.9Terbium10.3Terne11.6Thallium29.9Thorium12Thulium13.3Tin20 - 23Titanium8.5 - 9Topas5 - 8Tungsten4.5Uranium13.4Vanadium