I would like to add on to that Carbon steel is expected to grow 1.9X during 2019-2029. Carbon steel is preferred for a variety of products such as shafts, rails, gears, cars, cutting tools, and blades. After carbon steel, aluminum is the second most demanded metal forging raw material. If you would like to read more about it, see https://www.factmr.com/report/4524/metal-forging-market. When I was researching about it, I came across it and found it really informative.