常用金属材料的热膨胀系数

Material 锌及其合金Zinc & its Alloysc 铅及其合金Lead & its Alloysc 镁合金Magnesium Alloysb 铝及其合金Aluminum & its Alloysc 锡及其合金Tin & its Alloysc 锡铝黄铜Tin & Aluminum Brassesc 黄铜或铅黄铜Plain & Leaded Brassesc 银Silverc 铬镍耐热钢Cr-Ni-Fe Superalloysd Heat Resistant Alloys (cast)d Nodular or Ductile Irons (cast)c 不锈钢Stainless Steels (cast)d 锡青铜Tin Bronzes (cast)c 奥氏体不锈钢Austenitic Stainless Steelsc 磷硅青铜Phosphor Silicon Bronzesc 铜Coppersc Nickel-Base Superalloysd 铝青铜Aluminum Bronzes (cast)c Cobalt-Base Superalloysd 铍（青）铜Beryllium Copperc Cupro-Nickels & Nickel Silversc 镍及其合金Nickel & its Alloysd 铬镍钴耐热钢Cr-Ni-Co-Fe Superalloysd 合金钢Alloy Steelsd Carbon Free-Cutting Steelsd 铸造合金钢Alloys Steels (cast)d Age Hardenable Stainless Steelsd 金Goldc High Temperature Steelsd Ultra High Strength Steelsd Malleable Ironsc Titanium Carbide Cermetd Wrought Ironsc 钛及其合金Titanium & its Alloysd 钴Cobaltd 马氏体不锈钢Martensitic Stainless Steelsc 渗氮钢Nitriding Steelsd 钯Palladiumc 铍Berylliumb Chromium Carbide Cermetc 10-6 in./in.*/°F High 19.3 16.3 16 13.7 13 11.8 11.6 10.9 10.5 10.5 10.4 10.4 10.3 10.2 10.2 9.8 9.8 9.5 9.4 9.3 9.5 9.2 9.1 8.6 8.4 8.3 8.2 7.9 7.9 7.6 7.5 7.5 7.4 7.1 6.8 6.5 6.5 6.5 6.4 6.3 Low 10.8 14.4 14 11.7 - 10.3 10 - 9.2 6.4 6.6 6.4 10 9 9.6 - 7.7 9 6.8 - 9 6.8 8 6.3 8.1 8 5.5 - 6.3 5.7 5.9 4.3 - 4.9 - 5.5 - - - 5.8 10-5 in./in.*/°C High 3.5 2.9 2.8 2.5 2.3 2.1 2.1 2 1.9 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.5 1.5 1.5 1.5 1.4 1.4 1.4 1.3 1.3 1.3 1.3 1.2 1.2 1.2 1.2 1.1 1.1 Low 1.9 2.6 2.5 2.1 - 1.8 1.8 - 1.7 1.1 1.2 1.1 1.8 1.6 1.7 - 1.4 1.6 1.2 - 1.6 1.2 1.4 1.1 1.5 1.4 1 - 1.1 1 1.1 0.8 - 0.9 - 1 - - - 1 钍Thoriumb 铁素体不锈钢Ferritic Stainless Steelsc Gray Irons (cast)c Beryllium Carbided Low Expansion Nickel Alloysc Beryllia & Thoriae Alumina Cermetsd Molybdenum Disilicidec Rutheniumb Platinumc Vanadiumb Rhodiumb Tantalum Carbided Boron Nitrided 铌及其合金Columbium & its Alloys Titanium Carbided Steatitec Tungsten Carbide Cermetc 铱Iridiumb Alumina Ceramicsc Zirconium Carbided Osmium and Tantalumb 锆及其合金Zirconium & its Alloysb Hafniumb Zirconiae 钼及其合金Molybdenum & its Alloys Silicon Carbidee 钨Tungstenb Electrical Ceramicsc Zirconc Boron Carbidee Carbon and Graphitec 6.2 6 6 5.8 5.5 5.3 5.2 5.1 5.1 4.9 4.8 4.6 4.6 4.3 4.1 4.1 4 3.9 3.8 3.7 3.7 3.6 3.6 3.4 3.1 3.1 2.4 2.2 2 1.8 1.7 1.5 - 5.8 - - 1.5 - 4.7 - - - - - - - 3.8 - 3.3 2.5 - 3.1 - - 3.1 - - 2.7 2.2 - - 1.3 - 1.3 1.1 1.1 1.1 1 1 0.9 0.9 0.9 0.9 0.9 0.9 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.4 0.4 0.4 0.3 0.3 0.3 - 1 - - 0.3 - 0.8 - - - - - - - 0.68 - 0.6 0.4 - 0.6 - - 0.55 - - 0.5 0.39 - - 0.2 - 0.2