Dimension and Weight Chart Trade Size Nominal Wt. per100Ft(30.5M) Nominal Outside Diameter Nominal Wall Thickness U.S. Metric Lbs Kg In. mm In. mm 1/2 16 30 13.5 0.706 17.93 0.042 1.07 3/4 21 46 20.7 0.922 23.42 0.049 1.24