Die forging D ring
Complying with EU EN1677-4 Standard (Replacing DIN5688-3 Standard)
Selection of high strength and toughness special alloy steel and heat treatment
Each piece was tested by 2.5 times the working tension
20 000 fatigue tests were carried out by sampling
Strict sample breakage test for each batch of products
100% magnetic particle inspection
Product number | Working pull（T） | Broken pull（T） | size（mm） | Single（kg） | ||
| A | B | D | ||||
| UQD-01 | 2.5 | 10 | 65 | 55 | 14 | 0.30 |
| UQD-02 | 4.0 | 16 | 62 | 64 | 17 | 0.48 |
| UQD-03 | 6.5 | 26 | 80 | 72 | 19 | 0.71 |
| UQD-04 | 8.0 | 32 | 90 | 76 | 22 | 1.00 |
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