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4mm G80 lifting chain

2025-10-10

rizhi

4-millimeter lifting chains are considered the smaller size among lifting chains. When using them, the following precautions must be observed: 1. Strictly avoid overloading:Do not exceed the safe working load calculated for the specific lifting method. 2. Regular inspections: - Daily checks:** Before use, inspect the chain for any obvious deformations, cracks, or signs of wear. - Periodic tests:** Depending on the frequency of use, professional personnel should conduct detailed inspections regularly. The inspection criteria include: - Wear: Measure the wear on any part of the chain; if the diameter has worn down by more than 10% (i.e., to less than 3.6 mm), the chain should be discarded. - Lengthening: If the chain has lengthened by more than 5% compared to its original length, it indicates that the material has been overstretched and the chain should also be replaced. - Deformations, cracks, and rust:** Both cracks and severe rust can affect safety; such chains must be taken out of service immediately.

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