The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

Rolled iron and steel bars are manufactured as below:—

[1811]. Rounds, from ³⁄₁₆″ to 7³⁄₄″ diameter, and up to 18′ long.

[1812]. Squares, from ³⁄₁₆″ to 6″ square, and up to 18′ long.

[1813]. Flats, from ¹⁄₂″ to 14″ wide, and up to 18′ long.

[1814], [1815], [1816], [1817], [1818], & [1819]. L iron sections are made from ³⁄₄″ × ³⁄₄″ up to 14″ × 3³⁄₄″, or to 12¹⁄₂″ united inches, with equal or unequal flanges, and up to 30′ long; but the acute, obtuse, and round angled sections are not usually stocked.

[1820] & [1821]. T irons, from 1″ × 1″ up to 12 united inches, or to 9″ × 4″, and up to 30′ long.

[1822]. Rolled girder iron, from 3″ deep to 20″ deep × 10″ flanges, and to 36′ long, in hundreds of sections.

[1823]. Zore girders, from 3″ to 8″ deep, and to 24′ long.

[1824]. Channel iron, from ³⁄₄″ to 12″ wide, and to 25′ long.

[1825]. Convex iron, from 1″ to 6″ wide, and up to 20′ long.