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Posted by Boris Mohar on May 13, 2006, 4:06 pm
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>On Sat, 13 May 2006 13:59:10 -0400, Boris Mohar
>
>>
>>>Yes, I think that will work fine.
>>>
>>>This is pipe, not tube? Some pipe is pretty crappy metal with a lot of
>>>dirt in it. It welds best with high power, moving fast. 1/16", I'd
>>>pulse it with about 150 amps.
>>>
>>>I would not bother beveling the ends with 1/16" wall.
>>
>> They are very clean both tubes. One is actually an elbow. This is for a
>>turbo down pipe. I am still learning and cannot move to fast else I will
>>leave skid marks. Should I space them apart a little bit and how much?
>>This is to enhance penetration. ( I think)
>Don't forget to back purge this weld Boris. If you weld without any
>shielding gas you will get really ugly stuff coming out the back side
>of the weld.
>ERS
Thanks. I am well aware of ugly black warts that pop up on the other side.
It would be impractical to back purge so I am using Solar Flux - B acts as a
barrier. 150 Amperes sounds. I am afraid that I will punch through.
--
Boris Mohar
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>
>This is pipe, not tube? Some pipe is pretty crappy metal with a lot of
>dirt in it. It welds best with high power, moving fast. 1/16", I'd
>pulse it with about 150 amps.
>
>I would not bother beveling the ends with 1/16" wall.