Alloy Steel Chain - Grade 80
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CAUTION: NEVER EXCEED THE WORKING LOAD LIMIT OF CHAIN. USE ONLY GRADE 80 CHAIN FOR OVERHEAD LIFTING.
CHAIN SLINGS
Only grade 80 alloy chain can be used for chain slings for overhead lifting.
Refer to O.S.H.A standard 1910.184, A.S.M.E. standard B30.9, and A.S.T.M. A906 specification for design factors and other important information. Other standards and information may apply. Refer to page 5 for a discussion of chain slings.
ALLOY CHAIN (GRADE 80) - IMPORTED and DOMESTIC
According to ASTM A391 and NACM Specification.
Refer to the web pages for Fittings - Grade 80 Alloy fittings.
Chain is 100% proof tested to 2x the Working Load Limit.
Working Load Limit is based on single leg Grade 80 alloy sling, when utilizing Grade 80 or higher rated attachments.
| Trade Size Inches | Trade Size mm | Working Load Limit in Pounds* | Feet per Drum | Feet per 1/2 Drum | Minimum Weight per Foot in Pounds | Max. Length per 100 Links in Inches |
|---|---|---|---|---|---|---|
| Trade Size Inches | Trade Size mm | Working Load Limit in Pounds* | Feet per Drum | Feet per 1/2 Drum | Minimum Weight per Foot in Pounds | Max. Length per 100 Links in Inches |
| 9/32" | 7 | 3,500 | 800 | 400 | .71 | 88 |
| 5/16" | 8 | 4,500 | 500 | 250 | .92 | 96 |
| 3/8" | 10 | 7,100 | 500 | 250 | 1.44 | 126 |
| 1/2" | 13 | 12,000 | 300 | 150 | 2.36 | 164 |
| 5/8" | 16 | 18,100 | 200 | 100 | 3.76 | 202 |
| 3/4" | 20 | 28,300 | 100 | 50 | 5.50 | 252 |
| 7/8" | 22 | 34,200 | 100 | 50 | 7.12 | 277 |
| 1" | 26 | 47,700 | 100 | 50 | 9.65 | 293 |
| 1.1/4" | 32 | 72,300 | 60 | --- | 15.75 | 375 |