Pipe springs are available in various sizes, and can be used on any pipe or tube with an external diameter of 12–22 millimetres (0.47–0.87 in). If you ever need to bend the pipe, here's how to do it. This is a quick showing of how I bent 1/2" PVC into circular shapes for my Stephen King inspired gates. Clamp your cylindrical object in the vice and, by hand, gently wrap the big coils down to coil around the cilinder. Home Metal-Shop Tips 101: How To Bend Pipe - Take 2 - YouTube When the heat forming is finished, you just drain out the sand. Sometimes a twisting motion can be useful, turning one end of your coil clockwise and the other counter-clockwise. I am making a small magnetic loop antenna, and want to go this route rather than either segmented polygonal pipe construction or construction using coax. There are generally two types of copper tubing that you’ll run into: The straight lengths of pipe and the flexible coils. All tip submissions are carefully reviewed before being published. The diameter is the distance from one side of the circle, … {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/53\/Bend-Copper-Tubing-Step-1-Version-2.jpg\/v4-460px-Bend-Copper-Tubing-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/53\/Bend-Copper-Tubing-Step-1-Version-2.jpg\/aid818980-v4-728px-Bend-Copper-Tubing-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"