There is no standardised weight for cold-rolled coils. It is generally determined based on customer requirements, transport conditions, and production equipment capacity, with common ranges between 5 and 20 tonnes. Excessively light coils increase changeover frequency, reducing production efficiency; conversely, excessively heavy coils complicate transport and handling while demanding greater equipment load-bearing capacity. In actual production, coil weight can be controlled by adjusting rolling length and thickness. For instance, thin-gauge cold-rolled coils (e.g., 0.3mm) may reach several thousand metres in length with weights exceeding 15 tonnes, whereas thick-gauge coils (e.g., 2.0mm) have shorter lengths and comparatively lower weights. Coil weight information is typically indicated on product packaging or quality certificates.
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