Angle steel can be formed according to the different needs of the structure of a variety of different stress members, but also as a member between the connection. Widely used
In various construction and engineering structures, such as beams, Bridges, transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, container racks, cable trench supports, power distribution pipes, bus support installation, warehouse shelves, etc.
Angle steel is a kind of carbon structural steel used in construction. It is a simple section of steel. It is mainly used for metal components and the frame of workshops. Good weldability, plastic deformation and mechanical strength are required in use. The raw billet of Angle steel is low carbon square billet, and the finished Angle steel is delivered in hot rolling, normalizing or hot rolling state.
(1) Composition index: The chemical composition of Angle steel belongs to rolling steel series for general structure, and the main verification indexes are C, Mn, P and S. According to the different brands, the content varies, and the general range is C<0.22%, Mn: 0.30-0.65%, P<0.060%, S<0.060%.
(2) inspection method: to test the chemical composition, the standard test methods are GB223, JISG1211-1215, BS1837, BS manual 19, Г О С Т 22536 etc
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