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.
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ITV Wales' current affairs programme made for S4C have been presented with an award for coverage of the transgender community in Wales.
A dry and bright afternoon ahead becoming increasingly sunny through the day, but temperatures staying low. Max temp 5 deg C
The much-loved local character, who had lived on the city's streets for decades, died in hospital this week after falling ill.