Buyers new to sourcing chrome plated rod often expect a single MOQ figure to apply across the board, and get caught off guard when a quote for a less common diameter or a specialized hardness condition comes back with a noticeably higher minimum than what they were quoted on a standard size last tim
A distributor doesn't usually think about moisture getting inside a tube that arrives with capped ends — the caps are there specifically to keep contamination and moisture out, so a rust complaint on an internally capped tube tends to get blamed on the cap seal failing somewhere in transit. Sometime
Standard hard chrome is a wear coating first and a corrosion barrier second. That's fine for most applications, where moderate humidity and occasional splash don't push the chrome layer past what it was designed to handle. It stops being fine when a customer wants both aggressive abrasion resistance