钢结构指使用钢材质的构件承受荷载的结构形式。

主要用于工业厂房、大跨度结构、高耸结构、多高层民用建筑、承受动力荷载和抗震要求较高的结构、板壳结构、可拆卸的结构、轻型钢结构、和钢筋混凝土的组合结构等。

Structural steel is a category of steel used as a construction material for making structural steel shapes. A structural steel shape is a profile, formed with a specific cross section and following certain standards for chemical composition and mechanical properties. Structural steel shapes, sizes, composition, strengths, storage practices, etc., are regulated by standards in most industrialized countries.