INSPECTION AND REMOVAL CRITERIA
ASME B30.9-1 ALLOY STEEL CHAIN SLINGS
9-1.9.5 Removal Criteria
• Missing or illegible sling identi cation.
• Cracks or breaks.
• Excessive wear, nicks, or gouges.
• Stretched chain links or components.
• Bent, twisted, or deformed chain links or components.
• Evidence of heat damage.
• Excessive pitting or corrosion.
• Lack of ability of chain or components to hinge freely.
• Other conditions, including visible damage, that cause doubt as to the continued use of the sling.
OSHA 1910.184 (e) ALLOY STEEL CHAIN SLINGS
[§1910.184(e)]
• (1) Sling identi cation.
Alloy steel chain slings shall have permanently af xed durable identi cation stating size, grade, rated capacity, and reach.
• (2) Attachments.
Makeshift links or fasteners formed from rods or bolts, or other such attachments, shall not be used.
• (3) Inspections.
A through inspection for wear, defective welds, deformation and increase in length shall be performed. Where such defects or deterioration are present, the sling shall be immediately removed from service.
• (9) Deformed attachments.
Alloy steel chain slings with cracked or deformed master links, coupling links or other components shall be removed from service.
     OSHA 1926.251 (b) ALLOY CHAIN SLINGS
[§1926.251(b)]
• (1) Welded chain slings shall have permanently af xed durable identi cation stating size, grade, rated capacity and sling manufacturer.
• (3) Job or shop hooks and links, or makeshift fasteners, formed from bolts, rods, etc., or other such attachments shall not be used.
• (5) Whenever wear at any point of any chain link exceeds that shown in table H-2, the assembly shall be removed from service.
TABLE H-2
Maximum Allowable Wear at any Point of Link
  Chain size, inches
Maximum allowable wear, inches
1/4’’
3/64’’
3/8’’
5/64’’
1/2’’
7/64’’
7/8’’
9/64’’
1’’
5/32’’
1 1/8’’
1 1/4’’
1 1/4’’
3/16’’
1 3/8’’
7/32’’
1 1/2’’
1/4’’
1 3/8’’
9/32’’
1 1/2’’
5/16’’
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