Metal Cutting Blades
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Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
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From: Raphine, Virginia
Metal Cutting Blades
Did not want to hijack the other thread. I need to cut some used fuel oil tanks for grills/smokers. Naturally looking for safe ways to do this. I've never used a metal cutting blade on a circular saw and was wondering if they threw sparks like an abrasive blade? If feasible, what tooth count? I'm familiar with precautions such as filling with inert gas etc.
i ain't rite
Joined: Mar 2005
Posts: 65,514
Likes: 5,567
From: Marlboro Mental Hospital.
yes they are spark slingers just like the abrasive wheels.
just like with any other metal cutting blade, the finer the tooth count the cleaner the cut.
i prefer dry ice in the tank to neutralize hazardous fumes.
just like with any other metal cutting blade, the finer the tooth count the cleaner the cut.
i prefer dry ice in the tank to neutralize hazardous fumes.
Post Fiend
Joined: Mar 2009
Posts: 6,243
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From: Chicago and Mt Carroll IL
Metal cutting circular saw blades often spark. Abrasive wheels spark. Filling the tank with inert gas works only until the gas is displaced by oxygen as the cut kerf allows it in...same for water as it is let out. There is no foolproof way to cut a fuel tank outside of a lab with controlled conditions and perhaps a water laser but the steel still gets hot enough as its cut to create a problem.
I know scores of people who have cut tanks successfully but its probably statistically around 99/100. I would not want you to be one of the 1/100.
The guy cutting this tank was lucky in that he ONLY had 4th degree deep set burns on both forearms.
Don't do it to save a few bucks.
I know scores of people who have cut tanks successfully but its probably statistically around 99/100. I would not want you to be one of the 1/100.
The guy cutting this tank was lucky in that he ONLY had 4th degree deep set burns on both forearms.
Don't do it to save a few bucks.
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bulletsneverlie
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