Contradiction with 1 Kings 7:40
In 1 Kings 7:40, it is explicitly stated that Hiram finished the work of the two pillars, whereas in 2 Chronicles 4:11, it appears the emphasis is on Huram, possibly indicating different spellings or identities.
1 Kings 7:40: And Hiram made the lavers, and the shovels, and the basons. So Hiram made an end of doing all the work that he made king Solomon for the house of the LORD: [And Hiram: Heb. And Hirom]