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> How much electric does a welder use
post Aug 23 2018, 07:16 AM
Joined: 16-Nov 16

Hi Guys sorry if this has already been discussed on many occasions, I have been welding for 9 years and have recently opened my own workshop and doing work on evenings / weekends (looking to go full time when work load pics up) I was wondering if you could tell me how much an hour a welder uses in electric if welding at say 250 amps . I am pricing a job for a friend which I think is about 30 hours of flat out welding and I just want to double check my rates are not to high but also not to low. Thanks
Technic Al
post Aug 24 2018, 10:54 AM
Joined: 14-Oct 03

You need more info....I should google it....I believe there are answers there
post Aug 25 2018, 12:21 AM
Joined: 20-Feb 10

You need to give more info.. Process?? What type of power source??

A lot less than you think though. I doubt VERY much that you would get through £20 worth..

post Jan 14 2019, 06:40 PM
Joined: 9-Mar 04

A 13 (or 16) amp socket can only deliver 45p worth of electricity per hour. (assuming 15p per KWh).
post Jan 20 2019, 09:12 AM
Joined: 19-Jan 08

I often monitor meter readings in our shop and keep notes of them and can tell you that our single phase tig welder running approx 150A on a 16A supply would use 4kw hrs over 2 hours. At that time we were on 12.5/kWh so 50p.

We were surprised at how little power they actually consumed.

I think if you based it on imagedude’s 3kwh you’ll not be far away.

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