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SYNTHETIC SLINGS

ASC manufactures the very best in the industry. We look closely at the best the completion has to offer and we know what we bring you is not only the best quality slings but the best support and service as well. Superb workmanship, branded leather tags, and the best warning tags are what make ASC slings the choice of riggers everywhere in all industries.

Our in-house inventory helps you get the job done inrush and emergency situations. If we don't have the sling you need, ASC can usually send most special orders within the day. Synthetic web slings offer a number of advantages for rigging purposes. The most commonly used synthetic web slings are made of nylon- or polyester-type yarns. They have the following properties in common:

  • Strength,
  • Convenience,
  • Load protection, and
  • Economy.

Each synthetic material has its own unique properties.

Certain synthetic materials perform better than others in specific applications and environments. Consult ASC customer service or sales personnel for a specific application or before using in and around chemical and special environments.

Synthetic webbing materials other than nylon and polyester are also used and the ASC staff should be consulted for specific data and for proper use.

 

Identification:

 

New slings are marked by ASC to show:

  • The rated load for each type of hitch, and
  • The type of synthetic web material.

 

Rated loads:

 

Rated loads (capacities) for single-leg vertical, choker, basket hitches, and two-leg bridle slings are available in our product specification section.

For angles not shown, use the next lower angle or a qualified person to calculate the rated load. Rated loads are based on:

  • Material strength,
  • Design factor,
  • Type of hitch,
  • s
  • Diameter of curvature over which the sling is used, and
  • Fabrication efficiency.

 

Fittings:

 

Ensure that mechanical fittings used as part of a synthetic web sling meet the following:

  • Materials are compatible with the mechanical and environmental requirements of the sling,
  • Fittings have a rated load at least the same as the synthetic webbing sling,
  • Fittings have sufficient strength to sustain twice the rated load of the sling without visible permanent deformation, and
  • Surfaces are clean, and sharp edges are removed.

 

Inspections:

 

Designate a qualified person to inspect slings each day before use for damage or defects.

This qualified person also performs additional periodic inspections where service conditions warrant, as determined on the basis of:

  • Frequency of sling use,
  • Severity of service conditions,
  • Nature of lifts being made, and
  • Experience gained during the service life of slings used in similar circumstances.

Make periodic inspections of synthetic web slings at intervals no greater than 12 months. A good guide to follow includes:

  • Yearly for normal service use,
  • Monthly to quarterly for severe service use, and
  • As recommended by a qualified person for special and infrequent service use.

ASME standard contains provisions on inspection records.
Make a thorough inspection of slings and attachments. Items to look for include:

  • Missing or illegible sling identification,
  • Acid or caustic burns,
  • Melting or charring of any part of the sling,
  • Holes, tears, cuts, or snags,
  • Broken or worn stitching in load bearing splices,
  • Excessive abrasive wear,
  • Knots in any part of the sling,
  • Discoloration and brittle or stiff areas on any part of the sling,
  • Pitted, corroded, cracked, bent, twisted, gouged, or broken fittings, and
  • Other conditions that cause doubt as to continued use of a sling.

Where any such damage or deterioration is present, remove the sling or attachment from service immediately.

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