It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.
Cutting expanded sheet metal.
Cut metal with your circular saw.
Wax your saw blade before cutting sheet metal.
I would say you have to be kidding the shear is the the fastest cleanest and best way every other way is second if you go to a large sheetmetal shop that cuts stainless expanded metal that and a cnc plasma burn table for curves or old shapes is the way they mostly do it i like the shear because you can set it up where you trim the killer little sharp edges off or at least most of them.
You can cut mild steel up to about 3 8 in.
Metal is difficult for saws to cut and rubbing wax along the blade helps prolong its sharpness.
The first step toward correctly cutting expanded metal is finding the right tools that will aid the process.
Thick using a ferrous metal cutting blade.
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How to cut sheet steel using a jigsaw with a metal cutting blade.
Then choose a grinder drill saw or laser tool.
The following equipment is crucial.
Expanded metal cutting tools.
They don t cut curves well.
First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together.
In our test it cut through rebar like a hot knife through butter.
Straight cutting compound snips work best for cutting thick or doubled up sheet metal.
Hot metal chips will fly everywhere.