Dimensional Tolerances
The ASME code has surprisingly few dimensional tolerances. In fact, in section U-5, the Code states that tolerances are not fully addressed, and allowable tolerances should be based on engineering…
Tag: Joint Design
ASME Section IX – Welder Qualifications
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…
ASME Section IX – Weld Procedures
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,…
Seal vs. Strength Welds
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…
Fatigue Analyses
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…
BENEFITS OF A SPECIALTY TURNKEY SERVICE PROVIDER – #METALMARKETUPDATE – SEPTEMBER 2022.
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…
