The steel fabricator for the third-floor tapered, built-up plate girders at the troubled Salesforce Transit Center in San Francisco is calling for a girder-hanger connection design review as part of ...

It enables efficient connections between API 6A standard flanges, including wellhead flanges, BOP and pressure test flanges. It can also be applied to flange connections in other mechanical systems.

This pole suffered a failure in the welded seam at an overlapping slip splice. A tubular steel transmission pole generally consists of a series of welded assemblies. The pole shafts and arms are ...