Chain Hooks
TITANSUHE has a huge range of chain hoist hookfor Rigging and Tie Down. All our chain hooksare made of alloy steel with heat treatment for high strength and abrasion resistance that grade to 80 and 100, rated for overhead lifting applications. We also have grade 43 and Grade 70 chain hooks to help you build your lashing and tie down system. For different rigging purpose, we have sling hooks, grab hooks, self-locking hooks, foundry hooks, container hooks, etc for your choice. These hooks can come with eye type, clevis type or swivel type. Eye type chain hooks are designed for permanent attachment which have higher safety. Clevis type chain hooks are structured with a sturdy pin which can passes directly through the end link of chain. This greatly improve the assembly efficiency and save your rigging cost. Swivel hooks can rotate 360 degrees which provide easy access and attachment to the loads. You can find below chain hooks from us.
In Which Occasions, The Chain Hook Should Be Scrapped?
①Cracks by visual check;
②The wear of dangerous section reaches 10% of the original size;
③Hook opening is 15% more than the original size;
④The torsional deformation of hook body exceeds 10 °;
⑤ Plastic deformation of the dangerous section of the hook or the neck of the hook;
⑥ The hook thread is corroded;
⑦ Replace the bushing when the wear of the hook bushing reaches 50% of the original size;
⑧ When the wear of the disc hook mandrel reaches 5% of the original size, the mandrel shall be replaced.
All the chain hooks have three dangerous sections, which should be paid special attention during inspection. As shown in the below schematic diagram, the three dangerous sections of the chain hook are:
(1)On the one hand, section A-A is affected by the tension of the sling, and the hook tends to be straightened; On the other hand, it is also affected by bending moment. Because the bending moment acting on this section is the largest and the bending stress is the largest, this section is a dangerous section.
(2) Section B-B is the same as section A-A. section B-B tends to be straightened and cut under the action of sling tension. The shear stress here is the largest, so it is also a dangerous section.
(3) C-C section, which is the thinnest part of the hook column, tends to be pulled off under the tension of the sling. The tensile stress here is the largest, so it is also a dangerous section.
As one of the most professional chain hooks manufacturers, we provide hook for chain hoist, rigging chain hooks, lifting sling hooks, steel wire rope, lifting products, etc. For more information, please feel free to contact us!
There are many lifting equipment manufacturers, but we are one of the best choices for you.
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