Collar Studs in Heat Exchangers
What are collar studs, and when are they used? Collar studs are threaded studs with a larger central hub attached (see diagram). They are commonly used on exchangers with removable…
Tag: heat 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…
#METALMARKETUPDATE – NOVEMBER ’22
The ISM Manufacturing Index (PMI) continued to decline in October, registering a 50.2 reading from the 50.9 level in September. The new orders metric contracted for the fifth consecutive month, possibly…
#METALMARKETUPDATE – OCTOBER ’22
September’s ISM Manufacturing (PMI) fell to a 50.9 reading from the 52.8 registered in August. While the manufacturing sector continues to expand, activity is at its lowest since the pandemic recovery…
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…
#METALMARKETUPDATE – August ’22
The ISM Manufacturing Index (PMI) decreased slightly in July, down to 52.8 from June’s 53 mark. The new order rate contracted, supplier deliveries showed improvement, and prices began to ease. The pricing…
