Unequal angle steel has different side lengths that can commonly be seen with the naked eye. It can generally be supplied in American standard, Japanese standard or Chinese standard based on sizing proportions. Length will generally range between 6 and 12 meters.
Unequal angle steel bars can be used in a variety of applications as well. It's common in large projects, and will frequently be found in areas like workshops, bridges and vehicles that require uneven support in certain areas.