low-carbon steel
Technical term used in metallurgy and engineering. Refers to steel with a carbon content typically below 0.25%.
Low-carbon steel is widely used for car bodies because it is easy to work with.
High-carbon steel, containing more carbon and thus harder but more brittle than low-carbon steel.
Carbon steel in general; 低炭素鋼 is a specific type with low carbon content.
Compound of 低 (low), 炭素 (carbon), and 鋼 (steel). A straightforward technical term.