Steel prices are at an all-time high. We have seen a 7% increase already this year (malleable iron and welded nipples) with another 7% expected in Q2 2021.
The producer price index for copper tube and fittings were up 15.2% month-over-month (up 5.1% in the last update) and was up 42.1% year-over-year (up 20.4% Y/Y last month).