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welding 2mm box steel with 130 amp ARC

General Tech Talk

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Posts: 257
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Location: Stanthorpe- QLD

welding 2mm box steel with 130 amp ARC

Post by Snarba »

will this be enough oomf or will I need something bigger?
I've got a WEAPON OF MOSS DETRUCTION
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Post by Patroler »

im no expert but i reckon it should be enough
There are no stupid questions, but there are a LOT of inquisitive idiots
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Post by bru21 »

seperate the joins my 1 mm or a touch more to allow full penetration. test on a scrap first.

cheers bru
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V8Patrol
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Post by V8Patrol »

bru21 wrote:seperate the joins my 1 mm or a touch more to allow full penetration. test on a scrap first.

cheers bru


OR.......

Tack it up and then run the grinder through each join so that the join is in a "V" shape. this is called a "V buttweld" and allows for full penetration.

130 amp and 2.5 rods will be fine.

Kingy
[color=blue][size=150][b]And your cry-baby, whinyassed opinion would be.....? [/b][/size][/color]
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Post by mickbeny »

Hi all...If the wall thickness is only 2mm,I would say 130 amps is way to high for a 2.5 electrode.You need to be around a 100 amps or less,depending on the weld position.Dont bevel butt joints or have a gap,if your amps are set rite you will get good penetration,if you bevel butt or put gap you will blow a hole and mess the weld up.
PEACE...
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Post by Snarba »

thanks everyone... off to weld stuff!!
I've got a WEAPON OF MOSS DETRUCTION
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