Primary Members

Primary member, which is the member whose own failure will lead to the failure of related members and endanger the work of the load-bearing structural system. Steel structure engineering is a kind of structural form with steel beam, steel column, steel truss and other members as the primary structure, which mainly includes steel sections, steel trusses, etc., in which the members or members are generally welded to each other. 

UnionSSM, as a professional fabricated steel structure manufacturer, provides primary and secondary structural members. Those who want to know more about primary steel structures can contact us for professional guidance.


different types of steel column based on cross section or shape

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