I have attached an image of a pipe prep with the blue coating for anyone who is unsure what I am on about. http://files.engineering.com/getfile.aspx?folder=ce1c5803-6aa0-48af-b185-2009cbf21a04&file=20140801_144814.jpg
I am looking for the name of the blue protective coating that you apply to weld preps before welding to protect them. I ahve also seen it applied over the heat number stamps on piping as you cannot paint over these. I have googled the name "weld through primer" however the items are really only...
After much experience working with ASTM material standards I am now assisting a german company for piping fabrication and Installation. One thing that I am finding difficult to understand is where the numbers in front of CrMo (and other letters) come from. Say for example 16Mo3 and x10CrVNB9-1 ...
This may be in the wrong section but let me know if it is, I work in the Mechanical construction industry (Oil and Gas) and I have come across times where it would be beneficial to know how much of a weld is required in order to ensure the weld is sufficient to hold a lifting EYE/LUG to an...