Angle iron

an iron or steel bar, brace, or cleat in the form of an angle.
also called angle, angle bar, l bar, l beam. a piece of structural iron or steel having a cross section in the form of an l .
historical examples

a settee-cushion, all burst and impaled upon a piece of angle iron, impeded him.
command william mcfee

it was double-rivetted, and the crown of tube was strengthened with angle iron.
records of steam boiler explosions edward bindon marten

to bend an angle iron into a circle, with the fl-ng- at the extreme diameter, the block and pins shown in fig. 2902 are employed.
modern machine-shop practice, volumes i and ii joshua rose

the irons, instead of being made of strap iron, are of angle iron.
camp and trail stewart edward white

an example of a screw of uniform pitch would be a piece of angle iron wound around a parallel shaft.
modern machine-shop practice, volumes i and ii joshua rose

the welding is done on the corner of an angle block, as in fig. 2901, in which a is the angle iron and b the angle block.
modern machine-shop practice, volumes i and ii joshua rose

the bridge was strengthened by eighty-three miles of angle iron.
the iron horse r.m. ballantyne

a squared outer corner next the angle iron prevents their spreading, but a rounded inner corner permits their being folded flat.
camp and trail stewart edward white

we now only think in terms of angle iron, plates, b-tt straps, and rivets which follow one orthodox pattern.
reminiscences of a liverpool shipowner, 1850-1920 sir william bower forwood

the hulls, navicular in form and having a flat bottom, are constructed of one-tenth inch iron plate and 40×40 angle iron.
scientific american supplement no. 299 various

noun
also called angle, angle bar. an iron or a steel structural bar that has an l-shaped cross section
any piece of iron or steel forming an angle, esp a right angle