How To Cut Galvanised Steel Sheet

Apply a thin layer of paraffin or saw wax to the blade just enough to cover the surface before making any cuts in the metal.

How to cut galvanised steel sheet.

Stretch a tape measure across the sheet and measure the length you need to cut. Slip on protective glasses and gloves before trimming the wire. Even so your cut will probably be a little ragged. Finally bend the sheet up by hand to the angle desired.

To cut your galvanized pipe efficiently you need to hold the saw steady and follow the curvature of the pipe as you work. Using a permanent marker mark the sheet and use a ruler or a straight edged wood to connect marks if you are going to cut in a straight line. A handheld cutting tool fitted with a metal cut off wheel will easily cut through sheet. It cuts metal almost as easily as a scissors cuts paper.

Measure and mark off your sheet metal on a flat surface. If you ve got a lot of straight cutting to do buy tin snips like the one shown in photo 4. Wax your saw blade before cutting sheet metal. Place the rotary pipe cutter on the galvanized pipe centering the line you need to cut with the blade of the cutter.

Secure the pipe in either a pipe vise or a solid bench vise. Step 3 setting up the grinder mount the 6 inch cutting wheel to the clutch grinder. As you cut one side of the sheet metal will ride up and over the. Metal is difficult for saws to cut and rubbing wax along the blade helps prolong its sharpness.

And the long blades make it easy to cut straight and leave a smooth edge. Mark a bend line and place the sheet metal on the edge of your bench. Next place the wood parallel and slightly behind the bending line. Allow the saw to gently cut through the galvanized pipe while guiding it along the mark you have created.

Apply cutting oil and tighten the knurled handle of the. Take your time and don t rush the cutting process. Trimming steel wire or cables. Clamp the wood on top of the metal to the workbench.

Prevent an explosion from such a reaction by treating such cutting as if high pressure gas is inside the compartment when you start cutting. How to cut galvanized steel hunker. The zinc in galvanized steel can react with moisture from the scrap metal creating a highly flammable stream of hydrogen that shoots out when the outer layer of galvanized steel is cut.