According to the general provisions of the Chinese standard GB/T 12754-2019 on the dimensions, weights and permissible deviations of the prepainted steel plate, the width requirements of prepainted steel plates are usually between 600mm and 1250mm, with a deviation of plus or minus 0.5mm. The thickness requirements of prepainted steel plate are usually between 0.20mm and 1.20mm, with a deviation of plus or minus 0.01mm. The length requirement of prepainted steel plate is usually between 1000mm and 6000mm, and its thickness deviation is usually plus or minus 3mm. The weight per unit area of a prepainted steel plate is usually between 120g/m²and 275g/m², and its weight deviation per unit area is usually plus or minus 7%.

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