This Standard specifies dimensions, shape, weight and tolerances, technical requirement, test method, inspection rule, packaging, marking and quality certificate of hot-rolled beam steel, hot-rolled channel steel, hot-rolled equal-leg angle steel, hot-rolled unequal-leg angle steel and hot-rolled l-sectional steel. This Standard is applicable to hot-rolled equal-leg angle steel, hot-rolled unequal-leg angle steel, hot-rolled l-sectional steel as well as hot-rolled beam steel and hot-rolled channel steel with inclination inside the leg (hereinafter referred to as section steel).

Replaced by GB/T 706-2016 Hot rolled section steel