What are the characteristics of the metal mesh slings?
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?
When the loads are:
- Or have sharp edges that could damage the other slings.
When should you inspect the sling?
- 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?
- Missing identification plate.
- Broken wires in any part of the mesh.
- 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 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).
What should you do when one or more of the above conditions are identified?
- 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.
How should you use metal-mesh slings safely?
- Use only slings that have the identification plate on them.
- Know the admissible safe load for the slinging configuration you want to use.
- Ensure 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.
What should you avoid when using metal-mesh slings?
- Do not use metal-mesh slings for loads heavier than the safe load.
- Do not use damaged slings.
- Do not drag slings out from underneath a load.
- Do not use metal-mesh slings as bridles on suspended personnel platforms.
- Do not shorten metal-mesh slings with knots or bolts.
- 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.
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Although every effort is made to ensure the accuracy, currency and completeness of the information, CCOHS does not guarantee, warrant, represent or undertake that the information provided is correct, accurate or current. CCOHS is not liable for any loss, claim, or demand arising directly or indirectly from any use or reliance upon the information.