B21B 1/10

Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section ; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling {structural sections, i.e.} work of special cross-section, e.g. angle steel in a single two-high or universal rolling mill {stand }