Re: Welding on pipe filled with water

From: <Christopher>
Date: Sun Jan 21 2007 - 00:27:00 EST

On Jan 20, 2007, at 10:44 PM, ghkghory wrote:

> What will be effect of welding 2 x 1 x 1/2 in lugs on a 20 in dia pipe
> filled with water.

It's possible to weld under water if your welders know their business. So if your welders know their business, you can do it. If they don't you can end up with hydrogen embrittlement and a helluva mess. I wouldn't do it with heat-treated material because of hydrogen pick-up.

Christopher Wright P.E. |"They couldn't hit an elephant at <a href="/group/PipingDesign/post?postID=wJpZaznFPk7MovdM0jrJ5TSLQMVnzmz9Yie7SB-y47jNjfPrP5GVyeXR_HwgKrrAJyXmHUVEsEJeRDQ">chrisw@skypoint.com</a> | this distance" (last words of Gen.

.......................................| John Sedgwick, Spotsylvania

1864)
<a href="http://www.skypoint.com/~chrisw/">http://www.skypoint.com/~chrisw/</a> Received on Sun Jan 21 00:27:00 2007