Teco Tube Expanders Company

TABLES AND FORMULAS BIRMINGHAMWIRE GAUGE TABLE METRIC OUTSIDE DIAMETER TUBE SIZES B.W.G 00 0 1 2 3 4 5 6 7 8 9 10 11 Wall Thickness 9.652 8.636 7.620 7.214 6.579 6.045 5.588 5.156 4.572 4.191 3.759 3.404 3.048 INSIDE DIAMETER (METRIC) 1/4” 6.350 mm 3/8” 9.525 mm 1.143 2.007 2.717 3.429 1/2” 12.700 mm 0.610 1.524 2.388 3.556 4.318 5.182 5.892 6.604 5/8” 15.875 mm 0.635 1.447 2.717 3.785 4.699 5.563 6.731 7.493 8.357 9.067 9.779 3/4” 19.050 mm 1.778 3.810 4.622 5.892 6.960 7.874 8.738 9.906 10.668 11.532 12.242 12.954 7/8” 22.225 mm 2.921 4.953 6.985 7.797 9.067 10.135 11.049 11.913 13.081 13.843 14.707 15.417 16.129 1” 25.400 mm 6.096 8.128 10.160 10.972 12.242 13.310 14.224 15.088 16.256 17.018 17.882 18.592 19.304 1-1/4” 31.750 mm 12.446 14.478 16.510 17.322 18.592 19.660 20.574 21.438 22.606 23.368 24.232 24.942 25.654 1-1/2” 38.100 mm 18.796 20.828 22.860 23.672 24.942 26.010 26.924 27.788 28.956 29.718 30.582 31.292 32.004 1-3/4” 44.450 mm 25.146 27.178 29.210 30.022 31.292 32.360 33.274 34.138 35.306 36.068 36.932 37.642 38.354 2” 50.800 mm 31.496 33.528 35.560 36.372 37.642 38.710 39.624 40.488 41.656 42.418 43.282 43.992 44.704 2-1/4” 57.150 mm 37.846 39.878 41.910 42.722 43.992 45.060 45.974 46.838 48.006 48.768 49.632 50.342 51.054 2-1/2” 63.500 mm 44.196 46.228 48.260 49.072 50.342 51.410 52.324 53.188 54.356 55.118 55.982 56.692 57.404 2-3/4” 69.850 mm 50.546 52.578 54.610 55.422 56.692 57.760 58.674 59.538 60.706 61.468 62.332 63.042 63.754 3” 76.200 mm 56.896 58.928 60.960 61.772 63.042 64.110 65.024 65.888 67.056 67.818 68.682 69.392 70.104 3-1/4” 82.550 mm 63.246 65.278 67.310 68.122 69.392 70.460 71.374 72.238 73.406 74.168 75.032 75.742 76.454 3-1/2” 88.900 mm 69.596 71.628 73.660 74.472 75.742 76.810 77.724 78.588 79.756 80.518 81.382 82.092 82.804 3-3/4” 95.250 mm 75.946 77.978 80.010 80.822 82.092 83.160 84.074 84.938 86.106 86.868 87.732 88.442 89.154 4” 101.600 mm 82.296 84.328 86.360 87.172 88.442 89.510 90.424 91.288 92.456 93.218 94.082 94.792 95.504 4-1/4” 107.950 mm 88.646 90.678 92.710 93.522 94.792 95.860 96.774 97.638 98.806 99.568 100.432 101.142 101.854 4-1/2” 114.300 mm 94.996 97.028 99.060 99.872 101.142 102.210 103.124 103.988 105.156 105.918 106.782 107.492 108.204 BIRMINGHAMWIRE GAUGE TABLE METRIC OUTSIDE DIAMETER TUBE SIZES B.W.G 12 13 14 15 16 17 18 19 20 21 22 23 24 Wall Thickness 2.769 2.413 2.108 1.829 1.651 1.473 1.245 1.067 0.889 0.813 0.711 0.635 0.559 INSIDE DIAMETER (METRIC) 1/4” 6.350 mm 0.812 1.524 2.134 2.692 3.048 3.404 3.860 4.216 4.572 4.724 4.928 5.080 5.232 3/8” 9.525 mm 3.987 4.699 5.309 5.867 6.223 6.579 7.035 7.391 7.747 7.899 8.103 8.255 8.407 1/2” 12.700 mm 7.162 7.874 8.484 9.042 9.398 9.754 10.210 10.566 10.922 11.074 11.278 11.430 11.582 5/8” 15.875 mm 10.337 11.049 11.659 12.217 12.573 12.929 13.385 13.741 14.097 14.249 14.453 14.605 14.757 3/4” 19.050 mm 13.512 14.224 14.834 15.392 15.748 16.104 16.560 16.916 17.272 17.424 17.628 17.780 17.932 7/8” 22.225 mm 16.687 17.399 18.009 18.567 18.923 19.279 19.735 20.091 20.447 20.599 20.803 20.955 21.107 1” 25.400 mm 19.862 20.574 21.184 21.742 22.098 22.454 22.910 23.266 23.622 23.774 23.978 24.130 24.282 1-1/4” 31.750 mm 26.212 26.924 27.534 28.092 28.448 28.804 29.260 29.616 29.972 30.124 30.328 30.480 30.632 1-1/2” 38.100 mm 32.562 33.274 33.884 34.442 34.798 35.154 35.610 35.966 36.322 36.474 36.678 36.830 36.982 1-3/4” 44.450 mm 38.912 39.624 40.234 40.792 41.148 41.504 41.960 42.316 42.672 42.824 43.028 43.180 43.332 2” 50.800 mm 45.262 45.974 46.584 47.142 47.498 47.854 48.310 48.666 49.022 49.174 49.378 49.530 49.682 2-1/4” 57.150 mm 51.612 52.324 52.934 53.492 53.848 54.204 54.660 2-1/2” 63.500 mm 57.962 58.674 59.284 59.842 60.198 60.554 61.010 2-3/4” 69.850 mm 64.312 65.024 65.634 66.192 66.548 66.904 67.360 3” 76.200 mm 70.662 71.374 71.984 72.542 72.898 73.254 73.710 3-1/4” 82.550 mm 77.012 77.724 78.334 78.892 79.248 79.604 80.060 3-1/2” 88.900 mm 83.362 84.074 84.684 85.242 85.598 85.954 86.410 3-3/4” 95.250 mm 89.712 90.424 91.034 91.592 91.948 92.304 92.760 4” 101.600 mm 96.062 96.774 97.384 97.942 98.298 98.654 99.110 4-1/4” 107.950 mm 102.412 103.124 103.734 104.292 104.648 105.004 105.460 4-1/2” 114.300 mm 108.762 109.474 110.084 110.642 110.998 111.354 111.810 tube expanders company 61