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Adopted high-quality alloy steel and throughout swaged forging process.
Designed Factor is 3.
WORKING LOAD LIMIT: 30~150 USton
Shaped by forging and welding.
Special Heated Treated.
Every link be NDE checking.
Its strength is verified throughout tensile test 1.5 X WLL
There are signs such as WORKING LOAD LIMIT in the link.
Surface painted
It is applicable for drilling operation for fleet well and repairing well.
Couple use
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