1894 44 122 They could not rush through a finishing plate mill at such a high speed as they could if it were a section mill.
1925 111 57 Reheating the cogged bloom has become standard practice at most rail and section mills.
2006 (U.S. Internat. Trade Comm. Publ. 3840) iv. 11 The section mill consists of two types of rolling mills, a roughing mill and a 4-high reverse rolling mill.