What direction does channel steel use best?
The ability of the channel to bear the vertical load is proportional to its vertical cross section, so the opening is left or right, and the maximum vertical load can be carried.
There are N kinds of support: both ends of the simple support, both ends fixed, cantilever, one end of the cantilever, the other end of a simple support, cantilever at both ends
The channel steel can be placed in three directions, that is, stand, place, tilt, and lie prone
