What sizes does Channel steel come in?
Steel Grades for Channel Beams
Structural channels tend to be made of ASTM A36 grade industrial steel and come in stock lengths from 20 to 60 feet. A36 channel is a low-carbon structural steel used in a variety of applications, like trailers and structural support.
Parallel flange channel beams can be used to create a structurally secure frame for windows and doors. The channel can simply be slid over the wall in the window or door opening, creating a solid lintel, which offers much more sturdiness and long-term stability than timber.
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