On a whistlestop visit to Tata Steel the Prince commemorated the rebuilding of blast furnace number four - a major £185 million project.
He was then shown a video about the lightweight super-strength steel which could transform safety for British soldiers.
As Charles was taken around the marquee, children from Eastern Primary School performed a series of festive songs.
More top news
Thrifty Martin McCaskie has been using this vintage carrier for almost half his life - saves on the 5p charge!
Two families involved in supplying drugs and money laundering in north Wales have been convicted.
More rain for Wales on the way over the next few days.