What angles, angles and channels are used in general? Please try to be specific
In the construction, steel can be used for the main stress parts, such as column and beam; steel stairs, generally used for road; angle plays a secondary role such as support, knee brace etc.
More than steel column, steel beam, steel roof truss, curtain wall steel skeleton, billboard skeleton, special door
Profiles are commonly used in construction for steel structures, plant buildings (single deck, multiple), adding (inserting) layers, and simple and independent components: Roofing frames, interior and exterior steel staircases, etc.In steel construction plants (buildings), what you call those profiles are useful
