Steel structure installation project is a very big project, the quality requirements are very high, steel structure as the most critical of the project of a kind of infrastructure, we need to consider what factors when choosing steel?
Heavy industrial building structure, large span structure, high-rise or super high-rise civil building structure or structures and other important structures, should consider the selection of good quality steel, for general industrial and civil building structure, can be selected according to the nature of the work of ordinary quality steel.