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…
ASME Code, TEMA and API Facts
Category: ASME Code, TEMA and API Facts
ASME Code Committees
New editions of the ASME Code are published every two years, with hundreds of updates, edits, and amendments. With 13 different sections and thousands of total pages, it is a…
Code Stamp Exceptions
Section U-1 of the ASME code lists certain types of pressure vessels that do not require a code stamp. For example, any pressure vessel that has an internal or external…
Non-Code States
The ASME Code is not a law. What makes it required? It is up to each jurisdiction to pass laws that require boilers or pressure vessels operating in that jurisdiction…
MAWP versus Corrosion Allowance
Vessel engineers first use the design pressure to find the required thickness of all components on a vessel. Next, normally a stock plate or pipe thickness is chosen for each…
ASME Weld Categories and Types
Many requirements for welds in the ASME code depend on a weld’s category and its type, but those two classifications often get mixed up. So what are they, and what…
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