Cold chamber dies casting is preferred for aluminium castings as molten aluminium dissolves ferrous parts of the mould in hot chamber die casting.

Source: https://www.prnewswire.com/news-releases/aluminium-casting-market-in-india-to-grow-by-660-88-thousand-tons-from-2021-to-2026--the-growing-use-of-aluminium-casting-in-the-automotive-industry-drives-the-market---technavio-301908943.html

Weaker demand resulting from slower growth and mill inventory destocking led to a sequential decline in average net selling prices for ferrous and non-ferrous recycle metal.

Source: https://seekingalpha.com/article/4568119-schnitzer-steel-industries-inc-schn-q1-2023-earnings-call-transcript?source=feed_all_articles