Carbon steel coil has climbed four weeks running, while October stainless surcharges went up at one mill and down at others.

US refiners moved work out of this autumn, and the work now concentrates in the fall of 2027.

The panel hole, the thickness range and the locknut decide whether a bulkhead union fits, and the seal is not where most people think.

A tee is three ports and a shape decision hiding inside one word. How the size order is written when one leg differs.

Centre to end, 90 or 45 degrees, union or male: what has to be confirmed before an elbow is cross-referenced.

Two different tube sizes on one body, which end gets written first, and why a reducing union is not a reducer insert.

A 37 degree flare and a two-ferrule compression sleeve answer two different questions. Where each one belongs.

A rack built around one manufacturer's union does not automatically have room for another's of the same nominal size.

A BOM line that names a manufacturer is not describing a shape. What has to be shown when that line changes.

Pull-up, gauging and reassembly are three separate disciplines, and each manufacturer writes its own instructions for all three.