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How to check the chain shackles?

Mar 11, 2018

How to check the chain shackles?


Chain shackles are widely used in lifting operations. The quality of the chain shackles is related to the safety of the operation. Therefore, the chain shackle inspection needs to be very cautious.


1. The chain shackle should be marked with strength grade, safety load, etc;


2. Shackles should be smooth and flat, without cracks, sharp edges and burns and other defects;


3. Shackle safety load is M4 standard;


4.300t chain shackles were tested with 2 times the safety load as the test load, and chain breaks of 300t were used with the 1.33x safety load as the test load. Shackles must not break or defor.


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