Bible Verses About Censer: Those which Korah used were converted into plates

“Tell Eleazar son of Aaron the priest to remove the censers from the flames and to scatter the coals far away, because the censers are holy.

As for the censers of those who sinned at the cost of their own lives, hammer them into sheets to overlay the altar, for these were presented before the LORD, and so have become holy. They will serve as a sign to the Israelites.”

So Eleazar the priest took the bronze censers brought by those who had been burned up, and he had them hammered out to overlay the altar,