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: Inspection
#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;…
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…
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…
Field Repair Work: The Human Factor
This is likely the toughest expectation of all to “manage” when it comes to work in the field. From sleep deprivation to problems at home; from disagreements with co-workers to…
