In previous articles, we discussed weld procedures and PQR’s (qualifications of weld procedures). What about the people making the welds? Welders also must be qualified per the rules of Section…
All welds on pressure vessels must be made by qualified welders, using qualified weld procedures. Section IX of the ASME Code specifies all the requirements for those qualifications. A weld procedure,…
Heat exchanger tube end welds can be specified as strength welds or seal welds. What is the difference? The tube to tubesheet joint is a critical component of the exchanger…
When a vessel (or part of a vessel) is subjected to pressure loads that repeatedly cycle from low to high, the fatigue life of the vessel may need to be…
New Cooking Oil Heater – Ward was called on to help a new customer on an emergency basis. They had a fire in their tortilla chip manufacturing plant and their…
Vessel Head Repair Ward was called on to repair a section of the bottom head on a stainless steel half pipe reactor. This required that we remove sections of the…