The document contains a table listing specifications for steel pipes of various nominal sizes, including their outside diameter, wall thickness, weight, and whether they are considered light, medium, or heavy. Pipes range in nominal size from 10mm to 150mm, with outside diameters from 17.2mm to 165.1mm. Wall thickness varies between 2mm and 5.4mm depending on the size and type. Heavier pipes have greater wall thicknesses and weights.