Stick welding stainless steel is possible with good results. In this video I show you that it can also be done (with ok results) with nothing but two car batteries and some jumper cables. 🔔 Subscribe for more helpful videos on Random Subjects (It's FREE!) ➜ http://bit.ly/HelpfulVideosFromChris

SMAW is inherently dangerous https://en.wikipedia.org/wiki/Shielde... and welding with car batteries has a few extra risks, so for the sake of covering my behind:

DON'T TRY THIS AT HOME!

Some questions and answers:

Is this dangerous?
It could be. Some of the potential dangers:
• Battery explosion with resultant battery acid spray (this is unlikely with healthy batteries)
• Eye & skin damage from UV light
• Eye & skin damage from battery acid
• Electrocution
• Burns
• Toxic gas inhalation
• Fire

Will this ruin the batteries?
Like any large load on a battery, it isn't 'good' for them, but as far as the battery chemistry is concerned it makes no odds if you are doing this, running a large inverter, or even powering a starter motor - the discharge rates are similar. I messed around welding on and off for about an hour, and the resting voltages of the two batteries went from 12.8 volts before to 12.4 volts afterwards - nothing crazy there.

Was the electrode glowing red hot?
Yes.

Is there a way of controlling amperage?
Yes, you could use a section of coat hanger wire - by increasing and decreasing the length of the coat hanger wire in the circuit, you could adjust the resistance and therefore the current flow. (Caution, the coat hanger wire would get very hot!)

What electrodes were you using?
I was using 1.6 mm 316L electrodes.

What size was the stainless steel tube you were welding?
42.4 mm diameter, 1.5 mm wall thickness (316 Stainless Steel)

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Cheers!
Chris 👍

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