cooked Posted August 10, 2020 Share Posted August 10, 2020 I recently noticed a construction that seemed to consist of stainless steel joists. They were welded in place. I thought that welding stainless steel is a danger to health? Does anyone have experience with this in Thailand? I might be interested.... how do they compare pricewise? Link to comment Share on other sites More sharing options...
AhFarangJa Posted August 10, 2020 Share Posted August 10, 2020 Welding stainless steel produces gases containing nickel and hexavalent chromium. On inhalation these metals can cause lung disease, together with an increased risk of asthma and cancer. Having said that any welding produces toxic fumes to a point, just not sure if stainless is worse. Link to comment Share on other sites More sharing options...
mahjongguy Posted August 10, 2020 Share Posted August 10, 2020 Is it really stainless, or just galvanized? 1 Link to comment Share on other sites More sharing options...
johng Posted August 10, 2020 Share Posted August 10, 2020 28 minutes ago, cooked said: I thought that welding stainless steel is a danger to health? Yes any sort of welding produces "bad gasses" but as these where done in the open air the effect would have been much reduced. 29 minutes ago, cooked said: how do they compare pricewise? Stainless will be more expensive...but you wont have to paint it and it should last longer due to less corrosion however there are different grades of stainless steel some do rust. Link to comment Share on other sites More sharing options...
johng Posted August 10, 2020 Share Posted August 10, 2020 4 minutes ago, mahjongguy said: Is it really stainless, or just galvanized? Yes hard to tell from the photo I know welding galvanised steel gives off a horrible smelling and supposed to be "highly toxic" gas. Link to comment Share on other sites More sharing options...
VocalNeal Posted August 10, 2020 Share Posted August 10, 2020 Just the way the sun is shining on the steel work. 1 Link to comment Share on other sites More sharing options...
northsouthdevide Posted August 10, 2020 Share Posted August 10, 2020 Looks like normal steel to me. I'm not sure that you can weld stainless steel. I would imagine that it's a plate coating, applied after it's formation, But that's just an educated guess. Link to comment Share on other sites More sharing options...
johng Posted August 10, 2020 Share Posted August 10, 2020 4 minutes ago, northsouthdevide said: I'm not sure that you can weld stainless steel Off course you can MIG , TIG and "stick" 1 Link to comment Share on other sites More sharing options...
sometimewoodworker Posted August 10, 2020 Share Posted August 10, 2020 17 minutes ago, northsouthdevide said: Looks like normal steel to me. I'm not sure that you can weld stainless steel. I would imagine that it's a plate coating, applied after it's formation, But that's just an educated guess. That the steel is probably zinc coated is correct. That you can’t weld stainless steel is completely wrong, all forms of welding work. Link to comment Share on other sites More sharing options...
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