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Old 09-15-2010, 08:49 PM   #1
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Front bumpers

What kind of steel is usually used to make those rock crawler style bumper.
And what kind of round steel is used usually for the brushguard part. I'm thinking about making my own since my buddy welds and I can do math and angle ha
Any help would be great

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Old 09-15-2010, 09:21 PM   #2
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Go aluminum

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Old 09-15-2010, 09:36 PM   #3
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If you are making it yourself do not do aluminum. It takes some special tools and skills to weld aluminum properly. Most of the steel is mild steel as it is easy to work with, but the higher end stuff will have a higher carbon content and is more durable. Go for thick mild steel as it will be the cheapest in cost and easiest to work with. It also will be the most readily available material.
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Old 09-16-2010, 08:51 AM   #4
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So I was looking at normal bumpers so is 1/8" thick enough to use?
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Old 09-16-2010, 09:14 AM   #5
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1/8" isn't going to hold up against rocks...go with 3/16" and you won't regret it-and for the tubing, go with heavy duty even though it can be a pain to bend it. I have custom fabricated front and rear bumpers built to my design, done a half dozen of them...and not one has a dent, ding, or bend in it yet. ALthough 2 of them got reworked to cut down the width for entry angle...they've all held up on wranglers and cherokees. Mine has taken direct hits from boulders and trees...3 years old now...and all I've done is scratched off paint! Not one dented or bent fender, broken light, bent grill...it's protected everything.
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Old 09-16-2010, 01:36 PM   #6
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Ok then on the welder
Do I need like 170 amp welder to weld that efficiently
I'm new to welding but my friend is a farmer and has some experience and has the welders so I'm gonna play a bit before fabricating.
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Old 09-16-2010, 02:11 PM   #7
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3/16" is pretty typical for bumpers, don't even think about using 1/4". For welding big pieces of 3/16" steel, 170 to 180 amps would be a good size for a 220v MIG welder to use. A smaller 110v 135-140 amp MIG welder would just be too small.

I would avoid the temptation to make a big heavy battering ram type bumper like some think is needed. The heavier your armor becomes, the worse your Jeep will do on the trail. A small compact bumper made with 3/16" is really all you need. I wheel in rocks and that's all I need, I seldom feel the urge to run into big rocks at speed.

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