L angles, also known as angle brackets or steel angle bars, are used in various industries such as framing. They are most commonly made of hot-rolled steel or high-strength low alloy steel. This document provides information on L angle sizes and weights, tolerances, chemical compositions, and mechanical properties from an Indian steel company. Standard L angle sizes range from 19x19x3 mm to 150x150x20 mm and weights range from 0.860 kg/sqm to 44.1 kg/sqm.