Grade 30 Chain
Resources
- Inspection Criteria
- Removal Criterial
- Chain Grade 30 Catalog
- Capacity Charts
Grade 30 - Proof Coil
- Also known as Proof Coil chain is typically used as a swing set chain, tow chain, or logging chain. Grade 30 is the lowest grade of carbon chain.
- Not approved for overhead lifting.
Capacity Charts
Grade 30, Proof Coil Chain – Drums (Self Colored, Zinc Plated, or Galvanized)
| Trade Size | Material Diameter | Inside Length | Inside Width | Working Load Limit | Feet Per Pkg. | Links Per Foot | Weight Per Pkg. |
|---|---|---|---|---|---|---|---|
| 1/8 in | 0.16 in | 0.89 in | 0.29 in | 400 lb | 1000 ft | 13.5 | 190 lb |
| 3/16 in | 0.21 in | 0.95 in | 0.34 in | 800 lb | 1000 ft | 12.6 | 350 lb |
| 1/4 in | 0.26 in | 1.20 in | 0.45 in | 1300 lb | 800 ft | 10 | 460 lb |
| 5/16 in | 0.31 in | 1.27 in | 0.47 in | 1900 lb | 550 ft | 9.4 | 482 lb |
| 3/8 in | 0.37 in | 1.36 in | 0.57 in | 2650 lb | 400 ft | 8.8 | 500 lb |
| 7/16 in | 0.47 in | 1.37 in | 0.75 in | 3700 lb | 300 ft | 8.8 | 660 lb |
| 1/2 in | 0.48 in | 1.70 in | 0.75 in | 4500 lb | 200 ft | 7.1 | 420 lb |
| 5/8 in | 0.66 in | 2.10 in | 0.87 in | 6900 lb | 150 ft | 5.7 | 610 lb |
| 3/4 in | 0.78 in | 2.70 in | 1.02 in | 10600 lb | 100 ft | 4.4 | 560 lb |
Grade 30, Proof Coil Chain – Half Drums
| Trade Size | Material Diameter | Inside Length | Inside Width | Working Load Limit | Feet Per Package | Links Per Foot | Weight Per Package |
|---|---|---|---|---|---|---|---|
| 3/16 in | 0.21 in | 0.95 in | 0.34 in | 800 lb | 500 ft | 12.6 | 175 lb |
| 1/4 in | 0.26 in | 1.20 in | 0.45 in | 1300 lb | 400 ft | 10 | 230 lb |
| 5/16 in | 0.31 in | 1.27 in | 0.47 in | 1900 lb | 275 ft | 9.4 | 241 lb |
| 3/8 in | 0.37 in | 1.36 in | 0.57 in | 2650 lb | 200 ft | 8.8 | 250 lb |
