Materials Handling - Metal Mesh Slings

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What are the characteristics of the metal mesh slings?

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Metal mesh slings:

  • Are made from carbon steel, stainless steel or alloy steel.
  • Can be coated or impregnated with elastomers (e.g., PVC, neoprene).
    • Those not impregnated with elastomers are temperature resistant (from - 29°C to 288° C).
    • Those impregnated with elastomer have narrower temperature work range (-18°C to 93°C).
  • Are flexible.
  • Are resistant to corrosion (carbon steel and stainless steel slings).
  • Do not stretch extensively.

When should you use metal mesh slings?

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When the loads are:

  • Hot.
  • Abrasive.
  • Have sharp edges that could damage the other slings.

When should you inspect the sling?

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  • Visually check it every day before use.
  • Periodically, as recommended by the manufacturer, or at least once a year.

What should you look for when inspecting a metal-mesh sling?

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Metal Mesh Sling

  • Missing or unreadable identification plate.
  • Broken wires in any part of the mesh.
  • Broken weld or joints along the sling edge.
  • Distortion and reduced flexibility.
  • Distortion of chocker fittings (slot longer by more than 10% of initial length).
  • Distortion of end fittings that causes the width of eye opening to decrease by more than 10%.
  • Reduction in wire diameter of 25% due to abrasion or 15% due to corrosion.
  • Reduction of 15% or more of the initial cross-sectional area in any point around the hook opening of the end fitting.
  • Cracked, corroded, pitted, bent, twisted or broken end fittings.
  • Locked spirals without free articulation (movement).
  • Slings with missing or illegible identification marks.

What should you do when one or more of the above conditions are identified?

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  • Remove sling from use and discard or repair them.
  • Do not try to repair the sling yourself by hammering it. Send the sling to be repaired by the sling manufacturer.
  • Use only repaired slings that were proof tested by the sling manufacturer.
  • Keep the certificates of the proof test.

How should you use metal-mesh slings safely?

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  • Use only slings that have the identification plate on them.
  • Know the admissible safe load for the slinging configuration you want to use.
  • Make sure that the load is balanced.
  • In a chocker hitch, ensure that the female handle chokes on the metal mesh and not on the handle.
  • Keep body parts away from the area between the load and the sling.
  • Make a trial lift and a trial lower to ensure everything is working in a safe manner.
  • Reduce sling stress with slow starts and stops.
  • Wipe the dirt after use and store on racks as recommended by the manufacturer.
  • Only use slings that are exposed to extreme temperatures as recommended by the manufacturer or qualified person.

What should you avoid when using metal-mesh slings?

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  • Do not use metal-mesh slings for loads heavier than the safe load.
  • Do not use horizontal angles less than 30 degrees except as recommended by the sling manufacturer or a qualified person.
  • Do not use damaged slings.
  • Do not drag slings out from underneath a load.
  • Do not use a fitting unless it is the correct shape and size to fit properly in the hook or lifting device.
  • Do not use metal-mesh slings as bridles on suspended personnel platforms.
  • Do not shorten metal-mesh slings with knots or bolts.
  • Do not apply coatings that may lessen the sling's rated capacity.
  • Do not store the slings in areas where they might be exposed to corrosive agents or subjected to mechanical stress.
  • Do not use metal-mesh slings outside the temperature range recommended by the manufacturer.

  • Fact sheet last revised: 2019-05-17