Inspection of Wire Mesh Slings

Broken wires in any part of the mesh.

Worn/abraided spirals and spiral-to-fitting interaction.

Distortion of the fittings.

Lack of flexibility and distortion of the mesh.

A metal mesh sling shall be removed from service if any of the following conditions are present:

1. missing or illegible sling identification.
2. broken weld or a broken brazed joint along the sling edge.
3. broken wire in any part of the mesh.
4. reduction in wire diameter of 25% due to abrasion or 15% due to corrosion.
5. lack of flexibility due to distortion of the mesh.
6. distortion of the choker fitting so the depth of the slot is increased by more than 10%.
7. distortion of either end fitting so the width of the eye opening is decreased by more than 10%.
8. a 15% reduction of the original cross-sectional area of any point around the hook opening of the end fitting.
9. visible distortion of either end fitting out of its plane.
10. cracked end fitting.
11. slings in which the spirals are locked or without free articulation shall not be used.
12. fittings that are pitted, corroded, cracked, bent, twisted, gouged, or broken.
13. other conditions, including visible damage, that cause doubt as to the continued use of the sling.

For sling inspection, re-certification and proof testing call Unirope®