Re: TIG current for welding steel tube?

Chris,

You might find the following of interest - for $6.

http://tigdepot.com/products/p34-TIG%20Calculator.htm

It's a tig calculator with the following comments:

"Mister TIG™" says: "Every TIG Welder should have one of these in their tool box. The TIG Calculator takes the quess work out of setting up, giving you a better weld and saving time and material!"

and

"Ever found yourself wondering what the correct set-up is for a particular metal, weld type, material thickness, etc.? Now we offer a tool that works like a slide rule and solves all your set-up problems. Whether you are looking for the right amperage, tungsten, alloy or any of the variables that go into setting up for a successful weld operation, the TIG Calculator can help solve your question."

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PS: I'm not a welder though I've burned a few rods. I've never even tried TIG and I don't sell these calculators, but found it of interest while perusing the net shortly after reading some of the comments concerning your post.

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Chris wrote:
Would someone kindly suggest a starting point current for welding seamless
1.25 inch OD, 18 gauge steel tubes together in a joint where 3 tubes come
together, the ends are all cut to sit snugly together, as in a race car
tube frame chassis? Thanks. I THINK it's T45 tube, but not sure, what is a
good choice for filler rod please? Thanks.
.