Z type purlin
Z type purlin is coldly processed by hot rolling plate, with thin wall and dead load, the performance of the section is good, and in high strength, compared with traditional box iron, the same strength could save 30% of the material, Z type steel is common cold bending thin wall steel, the thickness is generally 1.6-3.0mm, and the height of the section generally is 120-350mm, and the work material is hot rolling, and galvanization, the process criterion is implemented according to GB50018-2002.
Z type steel is generally used in large steel workshops, the processing length and hole are produced according to process requirements, it is widely used in the purlins and wall beams of steel structure buildings, also could be used in combine building components such as light roof truss and brackets.
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