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Welding/Metalworking... Talk & Q&A Get your torch, braze, hammer, tig or mig on here!

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Old 09-30-2019, 07:38 PM
HandOverFist HandOverFist is offline
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Question Best method to cut a steel barrel

I recently had a thought about cutting a steel barrel lengthwise to use as a fuel tank on the back of a truck. I would be cutting the 55 gallon barrel around the 50-70% mark if that makes sense.

My question is what tool would net me the cleanest, straightest cut? It will be welded to a bulkhead (steel plate) to create a fuel tank and I need the best edges I can manage. Would a plasma cutter along with clamped straight edges be viable?

Just came across this video... https://youtu.be/VH9-FO4-17Q Seems to work really well if one took the time to build the jig.

Last edited by HandOverFist; 09-30-2019 at 08:23 PM.
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Old 09-30-2019, 09:25 PM
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This is just me personally, but I would feel more comfortable using a cut off wheel since my plasma skills suck!

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Old 09-30-2019, 09:57 PM
HandOverFist HandOverFist is offline
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I don't know if I can cut a straight line with a cutoff wheel, plus that is a lot of cutting with a die grinder. I'm a little leary anyway about cutting on a barrel...fill with water? I was thinking drag a plasma head along a straightedge?
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Old 10-01-2019, 04:11 AM
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4.5 inch angle grinder with an .045 cutting disc is the smoothest fastest. Make a series of marks around the barrel, then use some 2"masking tape to connect the marks and follow the edge with the cutting disc.
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Old 10-01-2019, 08:41 AM
redidbull redidbull is offline
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I bought one of these years ago and works great. I never ran it down a straight edge but can't see why you couldn't. Jim
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Old 10-01-2019, 09:01 AM
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Quote:
Originally Posted by redidbull View Post
I bought one of these years ago and works great. I never ran it down a straight edge but can't see why you couldn't. Jim
Thanks... I'm definitely gonna get one of those!!! I've seen people that can use a plasma & make some amazing parts... I am not one of those people!

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Old 10-01-2019, 09:24 AM
HandOverFist HandOverFist is offline
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Thanks for all the replies guys. I am neither a pro with a welder or plasma cutter myself...just looking for any options that will make life easier when it comes time to weld/put this all together.
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Old 10-01-2019, 12:06 PM
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The angle grinder would be my choice, it's a lot easier to keep it straight.
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Old 10-01-2019, 01:10 PM
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For something that big I use a Skil saw and either a metal cutting blade or a abrasive blade.
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Old 10-01-2019, 01:40 PM
HandOverFist HandOverFist is offline
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I saw one of these mentioned earlier on the forum... https://www.eastwood.com/eastwood-mini-metal-saw.html Looks like it would be perfect for something like this.
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