Stanchion finish is usually chosen from a swatch and judged, a year later, in situ under the building’s actual lighting after a thousand knocks. Those are very different conditions.
Polished brass and chrome
Both look superb new and both show every fingerprint and scuff. In a theatre or hotel with staff who polish front of house daily, they are the right answer and nothing else reads the same.
In a high-traffic concourse without that routine, polished finishes look tired within months. Be honest about whether anyone is going to polish them.
Satin and brushed finishes
Satin nickel and brushed stainless hide handling marks in a way polished finishes cannot, because the directional grain breaks up reflections. They are the sensible default for anywhere busy that still wants a metal look.
They also photograph better under mixed lighting, which matters if the posts appear in marketing images of the space.
Powder coat
Matte black and white powder coat are hard-wearing, matchable to a PMS reference and by far the easiest to keep looking consistent across a large estate. Chips can be touched in rather than requiring refinishing.
Black in particular disappears in most interiors, which is often exactly what you want from a barrier that is not meant to be part of the design.
Polymer and galvanised, for outdoors
UV-stable polymer does not corrode and does not care about weather. Galvanised steel is heavier and more robust where vehicles are involved.
Neither is trying to look like lobby furniture, and using an indoor finish outdoors is how posts end up pitted and streaked after one winter.
The underside is the part that costs money
Whatever the finish on the post, the base underside is what meets your floor. Friction rings and felt linings prevent the scratching that happens when somebody drags a base rather than lifting it — which is always.
On marble, terrazzo or hardwood this is not optional. Refinishing a floor costs many times what the entire stanchion order did.
Matching what is already there
Send a photograph of your existing posts or the fittings you are matching. We match from photographs routinely and it works far better than trying to name a finish in words, because ‘brass’ covers an enormous range.
For an estate being extended over years, ask that the specification is kept on file so batch three matches batch one rather than approximately matching it.