18 thru 40 AWG Hard Drawn* Annealed**    Physical Properties  Density  30% Conductivity Wire - 8.09g/cm3 at 20°C  40% Conductivity Wire - 8.21g/cm3 at 20°C  Weight  2.775 x 106 lbs. Per cir.mil foot  Temp. Coefficient of Resistance  .0021 per °F. at 68°F  Volume Resistivity  30% Conductivity Wire - 35.26 OHMS per cir.mil foot  40% Conductivity Wire - 26.45 OHMS per cir.mil foot  Thermal Conductivity  150 F - 205 BTU per sq.ft., per ft., per °F, per hr.  500 F - 204 BTU per sq.ft., per ft., per °F, per hr. 18 thru 40 AWG   AWG Nominal Diameter Weight Resistance OHMS/M ft @ 20 C Inch mm Kg/Km Lbs./1000 Ft 40 % 30 % 18 0.0403 1.024 6.71 221.9 16.28 21.71 19 0.0359 0.912 5.32 279.8 20.53 27.37 20 0.0320 0.813 4.22 352.8 25.89 34.52 21 0.0285 0.724 3.35 444.8 32.65 43.52 22 0.0253 0.643 2.65 560.9 41.17 54.88 23 0.0226 0.574 2.10 707.3 51.92 69.21 24 0.0201 0.511 1.67 881.9 65.46 87.27 25 0.0179 0.455 1.32 1125 82.55 110.0 26 0.0159 0.404 1.05 1418 104.1 138.8 27 0.0142 0.361 0.832 1788 131.3 175.0 28 0.0126 0.320 0.659 2255 165.5 220.6 29 0.0113 0.287 0.524 2843 208.7 278.2 30 0.0100 0.254 0.415 3586 263.2 350.8 31 0.0089 0.226 0.329 4521 331.9 442.4 32 0.0080 0.203 0.260 5701 418.5 557.8 33 0.0071 0.180 0.207 7189 527.7 703.4 34 0.0063 0.160 0.164 9065 665.4 887.0 35 0.0056 0.142 0.130 11430 839.0 1119 36 0.0050 0.127 0.103 14410 1058 1410 37 0.0045 0.114 0.082 18180 1334 1778 38 0.0040 0.102 0.066 22920 1682 2243 39 0.0035 0.0889 0.052 28900 2121 2828 40 0.0031 0.0787 0.040 36440 2675 3566 *Note: Also available with lower carbon core (LC) which in the hard drawn condition will have tensile properties slightly lower than shown for high strength material **Note: Also available with lower carbon core (LC) which in the annealed condition will have tensile properties essentially the same as those shown for high strength material but with slightly higher elongation values.   Hard Drawn* 40% Conductivity 30% Conductivity Elong % In 10 In Tensile Strength Lbs/Sq In Breaking Load Tensile Strength Lbs/Sq In Breaking Load 110000 140.4 127000 162.0 1.0 110000 111.3 127000 128.5 1.0 110000 88.3 127000 101.9 1.0 110000 71.0 127000 81.1 1.0 110000 55.5 127000 64.3 1.0 110000 44.0 127000 51.0 1.0 110000 34.9 127000 40.4 1.0 110000 27.7 127000 32.1 1.0 110000 21.9 127000 25.4 1.0 110000 17.4 127000 20.1 1.0 110000 13.8 127000 15.9 1.0 110000 10.9 127000 12.6 1.0 110000 8.7 127000 10.0 1.0 110000 6.9 127000 7.95 1.0 110000 5.5 127000 6.30 1.0 110000 4.3 127000 5.00 1.0 110000 3.4 127000 3.97 1.0 110000 2.7 127000 3.14 1.0 110000 2.1 127000 2.49 1.0 110000 1.7 127000 1.98 1.0 110000 1.4 127000 1.57 1.0 110000 1.1 127000 1.21 1.0 110000 0.85 127000 0.986 1.0 Annealed** 40% Conductivity 30% Conductivity Elong % In 10 In Tensile Strength Lbs/Sq In Breaking Load Tensile Strength Lbs/Sq In Breaking Load 45000 57.4 50000 63.8 15 45000 45.5 50000 50.6 15 45000 36.1 50000 40.0 15 45000 31.8 50000 35.0 15 45000 25.2 50000 27.7 15 45000 20.0 50000 22.0 15 45000 15.9 50000 17.5 10 45000 12.6 50000 13.8 10 45000 9.9 50000 10.9 10 45000 7.9 50000 8.7 10 45000 6.3 50000 6.9 10 45000 5.0 50000 5.5 10 45000 3.9 50000 4.3 10 45000 3.1 50000 3.4 10 45000 2.5 50000 2.7 10 45000 1.9 50000 2.2 10 45000 1.6 50000 1.7 10 45000 1.3 50000 1.4 10 45000 0.97 50000 1.1 10 45000 0.78 50000 0.86 10 45000 0.62 50000 0.68 10 45000 0.49 50000 0.54 10 45000 0.38 50000 0.43 10