B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B1/00—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
B21B1/08—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
B21B1/088—H- or I-sections
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Developing Agents For Electrophotography
(AREA)
Photoreceptors In Electrophotography
(AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining
(AREA)