The crane hook is generally made of DG20 steel and DG34GrMo alloy steel, which is forged, pressed, annealed and then machined. It has the characteristics of high strength, good plasticity and toughness.
Flaps are generally used in places with large tonnage in high temperature environment.
The hook is usually made of A3, 20# or 16Mn steel plates with a thickness of not less than 20mm, without sudden fracture and with high reliability.
Once the hook is broken or cracked, it needs to be scrapped and buy hook accessories from the original the manufacturer. If not, the new hook accessories should be the same as the original one in terms of hook material, grade and specification, so as to avoid the occurrence of various accidents caused by the mismatch with the electric chain hoist.
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