The surface quality of angle steel is strictly regulated by industry standards. It must be free from any harmful defects that could compromise its structural integrity or performance, such as delamination, scale, cracks, or surface imperfections. These flaws can weaken the material and affect its long-term durability, so they are not allowed in acceptable products.
In addition to surface quality, the standard also defines the allowable tolerances for the geometric dimensions of angle steel. This includes measurements like curvature, leg width, thickness of the edges, the apex angle, and theoretical weight per meter. These specifications ensure that the angle steel meets the required shape and size for proper installation and use. Furthermore, the standard explicitly states that the angle steel must not exhibit significant torsion, as this can lead to misalignment and structural issues during application.
Adherence to these standards is essential for maintaining the quality and reliability of angle steel in construction and engineering projects. Manufacturers and suppliers must follow these guidelines to ensure their products meet the necessary safety and performance criteria before being used in real-world applications.
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