SIZE = INCHES APPROXIMATE WEIGHT PER FOOTA X B T = WALL THICKNESS.040 .050 .062 .083 .100 .12538 x 34 .313 38 x 1 .387 12 x 1 .524 .641 .989* 12 x 1-14 .619 12 x 1-12 .706 .867 1.35* 12 x 2 .890 1.10 1.72* 58 x 1-14 .660 34 x 1 .619 34 x 1-12 .790 .981 1.54* 34 x 2 .990 1.22 1.92* 1 x 1-12 1.09 1.73* 1 x 2 .866 1.08 1.33 2.09* 2.58*1 x 3 3.51*1-14 x 2 2.29* 1-12 x 2 1.56 3.05*1-12 x 3 2.02 3.97*1-12 x 4 4.88*1-34 x 3 4.20*1-34 x 4 5.13*2 x 3 4.42*2 x 4 5.35*