According to the general provisions on the size, weight and allowable deviation of galvanized steel sheet & coil in Chinese standard GB/T 2518-2019, the width requirements of galvanized steel sheet & coil are usually between 600mm and 2000mm, and its width deviation is generally plus or minus 5mm. The thickness requirements of galvanized steel sheet & coil are usually between 0.13mm and 5.0mm, and its thickness deviation is generally plus or minus 0.02mm to plus or minus 0.04mm. The length requirement of galvanized steel sheet & coil is usually between 1000mm and 6000mm, and its thickness deviation is generally plus or minus 10mm. The unit area weight of the galvanized steel sheet & coil is usually between 40g/m² and 600g/m², and its unit area weight deviation is generally plus or minus 7%.

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