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.
How to cut galvanised steel sheet.
Allow the saw to gently cut through the galvanized pipe while guiding it along the mark you have created.
Mark a bend line and place the sheet metal on the edge of your bench.
And the long blades make it easy to cut straight and leave a smooth edge.
Apply cutting oil and tighten the knurled handle of the.
Step 3 setting up the grinder mount the 6 inch cutting wheel to the clutch grinder.
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.
Next place the wood parallel and slightly behind the bending line.
Place the rotary pipe cutter on the galvanized pipe centering the line you need to cut with the blade of the cutter.
It cuts metal almost as easily as a scissors cuts paper.
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.
Even so your cut will probably be a little ragged.
Jigsaws and metal cutting band saws are more work but can make most cuts in light to medium sheet metal.
A handheld cutting tool fitted with a metal cut off wheel will easily cut through sheet.
As you cut one side of the sheet metal will ride up and over the.
Take your time and don t rush the cutting process.
How to cut galvanized steel hunker.
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.
Trimming steel wire or cables.
Slicing through steel sheet metal.
To cut your galvanized pipe efficiently you need to hold the saw steady and follow the curvature of the pipe as you work.
Stretch a tape measure across the sheet and measure the length you need to cut.
Secure the pipe in either a pipe vise or a solid bench vise.
How to cut galvanized steel method 1 of 3.
Metal is difficult for saws to cut and rubbing wax along the blade helps prolong its sharpness.
Finally bend the sheet up by hand to the angle desired.
Clamp the wood on top of the metal to the workbench.