| TABLE 1 MAXIMUM ALLOWABLE WEAR AT ANY POINT LINK |
|
| Normal Chain or Coupling Link Cross Section (in.) | Maximum Allowable Wear Diameter (in.) |
| 9/32 | .037 |
| 9/32 | .037 |
| 3/8 | .052 |
| 1/2 | .069 |
| 5/8 | .084 |
| 3/4 | .105 |
| 7/8 | .116 |
| 1 | .137 |
| 1-1/4 | .169 |
| REFER TO ANSI B30.9 FOR FULL DETAILS | |
| Use of Spectrum 8 Chain Under Heat Condition | |||||
| Temperature of Chain | Grade 80 | Grade 100 | |||
| (Fº) | (Cº) | Reduction* of Working Load Limit WHILE AT Tempurature |
Reduction of Working Load Limit AFTER EXPOSURE Tempurature** |
Reduction* of Working Load Limit WHILE AT Tempurature |
Reduction of Working Load Limit AFTER EXPOSURE Tempurature** |
| Below 204 |
Below 400 |
None | None | None | None |
| 400 | 204 | 10% |
None | 15% | None |
| 500 | 260 | 15% | None | 25% | 5% |
| 600 | 316 | 20% | 5% | 30% | 15% |
| 700 | 371 | 30% | 10% | 40% | 20% |
| 800 | 427 | 40% | 15% | 50% | 25% |
| 900 | 482 | 50% | 20% | 60% | 30% |
| 1000 | 538 | 60% | 25% | 70% | 35% |
| Over 1000 |
Over 1000 |
OSHA 1910.184 requires all slings exposed
to temperatures over 1000º F to be removed from service. |
|||
| *Steelstran does not recommend
the use of Alloy Chain at temperatures above 800∞ F. ** When chain is used at room temperature after being heated to temperatures shown in the first column. |
|||||
| Proof Coil -- Spectrum 3 Chain | ||||||
| Trade Size (in.) | Size Material (in.) | Working Load Limit (lbs.) | Maximum Inside Length (in.) | Minimum Inside Width (in.) | Maximum Length 100 Links (in.) | Weight Per 100 Feet (lbs.) |
| 3/16 | .217 | 800 | .98 | .30 | 98 | 39 |
| 1/4 | .276 | 1300 | 1.24 | .38 | 124 | 65 |
| 5/16 | .315 | 1900 | 1.29 | .44 | 129 | 100 |
| 3/8 | .394 | 2650 | 1.38 | .55 | 138 | 144 |
| 1/2 | .512 | 4500 | 1.79 | .72 | 179 | 250 |
| 5/8 | .630 | 6900 | 2.20 | .79 | 220 | 421 |
| 3/4 | .787 | 10600 | 2.75 | .98 | 275 | 649 |
| High Test -- Spectrum 4 Chain | ||||||
| Trade Size (in.) | Size Material (in.) | Working Load Limit (lbs.) | Maximum Inside Length (in.) | Minimum Inside Width (in.) | Maximum Length 100 Links (in.) | Weight Per 100 Feet (lbs.) |
| 1/4 | .276 | 2600 | 1.24 | .38 | 124 | 70 |
| 5/16 | .315 | 3900 | 1.29 | .44 | 129 | 106 |
| 3/8 | .394 | 5400 | 1.38 | .55 | 138 | 154 |
| 7/16 | .468 | 7200 | 1.40 | .65 | 129 | 205 |
| 1/2 | .512 | 9200 | 1.79 | .72 | 179 | 267 |
| 5/8 | .630 | 13000 | 2.20 | .79 | 220 | 402 |
| 3/4 | .787 | 20200 | 2.76 | .98 | 276 | 567 |
| Transport -- Spectrum 7 Chain | ||||||
| Trade Size (in.) | Size Material (in.) | Working Load Limit (lbs.) | Maximum Inside Length (in.) | Minimum Inside Width (in.) | Maximum Length 100 Links (in.) | Weight Per 100 Feet (lbs.) |
| 1/4 | .276 | 3150 | 1.24 | .38 | 124 | 81 |
| 5/16 | .343 | 4700 | 1.32 | .48 | 132 | 98 |
| 3/8 | .394 | 6600 | 1.38 | .55 | 138 | 141 |
| 7/16 | .468 | 8750 | 1.64 | .65 | 164 | 216 |
| 1/2 | .512 | 11300 | 1.79 | .72 | 179 | 246 |
| High Test -- Spectrum 4 Chain | ||||||
| Trade Size (in.) | Size Material (in.) | Working Load Limit (lbs.) | Maximum Inside Length (in.) | Minimum Inside Width (in.) | Maximum Length 100 Links (in.) | Weight Per 100 Feet (lbs.) |
| 9/32 (1/4) | .276 | 3500 | .90 | .34 | 90 | 72 |
| 5/16 | .343 | 4500 | 1.00 | .48 | 100 | 108 |
| 3/8 | .394 | 7100 | 1.25 | .49 | 125 | 148 |
| 1/2 | .512 | 12000 | 1.64 | .64 | 164 | 243 |
| 5/8 | .630 | 18100 | 2.02 | .79 | 202 | 351 |
| 3/4 | .787 | 28300 | 2.52 | .98 | 252 | 584 |
| 7/8 | .866 | 34200 | 2.77 | 1.08 | 277 | 705 |