NOMINAL SIZEX,Y (mm) THEORETICAL WEIGHTS IN KG/M (WALL THICKNESS IN mm) 0.7 0.8 1.0 1.2 1.5 1.8 2.0 3.0 15x20 0.385 0.440 0.550 0.659 0.824 0.989 1.009 15x25 0.440 0.502 0.628 0.754 0.942 1.130 1.256 15x30 0.440 0.502 0.628 0.754 0.942 1.130 1.256 20x30 0.550 0.628 0.785 0.942 1.178 1.413 1.570 20x40 0.659 0.754 0.742 1.130 1.413 1.696 1.884 25x50 0.824 1.942 1.178 1.413 1.766 2.120 2.355 30x50 1.005 1.256 1.507 1.884 2.261 2.512 30x60 1.413 1.696 2.120 2.543 2.826 30x60 oval 1.413 1.696 2.120 2.543 2.826 40x80 1.884 2.261 2.826 3.391 3.768 5.652 50x100 2.355 2.826 3.533 4.239 4.710 7.065 60x80 2.198 2.638 3.297 3.956 4.396 5.652
RECTANGULAR TUBES