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Webbing&Round Sling Testing Guide: Commonalities&Inspection Keypoints

Textile lifting slings, including flat webbing slings and round slings , are widely used in material handling and lifting operations. Although their construction is different, the testing principles, safety requirements, and inspection methods are highly similar. This guide explains how lifting slings are tested, what standards apply, and what engineers should check before use. Four Testing and Inspection Commonalities Commonality 1: The absolute authority of tags The identification tag affixed to a sling holds absolute authority, serving as its legal "identity card." For both flat webbing slings and round slings, the absence of the tag, its coverage by paint, or its fading to the extent that the Working Load Limit (WLL), material composition, or manufacturer information becomes illegible shall render the sling automatically disqualified. In such cases, no further tensile testing or supplementary inspection is warranted. The sole and correct course of action...