The Tinman says that you can do it, and he sells flux for that purpose.

http://www.tinmantech.com/html/stain...ing_suppli.php

http://www.tinmantech.com/html/oxy-acetylene_torch.php

This guy is for real, he has been around for years. He is a big
believer in using oxy-acetylene for welding aluminum, stainless, and
other materials. I have met him and seen at least one of his videos.

The correct answer is that you can weld 300 series stainless with
oxy-acetylene, but that most people use TIG for that purpose. The other
poster was only repeating what most people believe, that it can't be done.

Richard



fred bruce wrote:
Can 300 series stainless be welded with a gas welder?




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