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: Heat exchanger failure
Heat Exchanger Fouling
Over time in service, deposits typically build up on the surface of tubes in a heat exchanger. This buildup is known as fouling and can occur on the inside or outside…
#METALMARKETUPDATE – MAY ’23
The ISM Manufacturing Index (PMI) increased to 47.1 in April 2023. This is a welcomed change as it rose from its three-year low of 46.3 seen in March. These figures…
Systems and Organization in the Field
System si-st?m Noun a set of things working together as parts of a mechanism or an interconnecting network. a set of principles or procedures according to which something is done;…
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…
#METALMARKETUPDATE – JANUARY ’23
The ISM Manufacturing Index (PMI) fell for the second straight month to 48.4 in December, following a score of 49 in November. The reading shows further contraction in factory activity,…
