Grade 80 Alloy Steel Chain
Specifically recommended for overhead lifting applications, this Grade 80 Alloy Steel Chain meets the latest guidelines of the National Association of Chain Manufacturers (NACM). Produced from the highest quality alloy steel, each chain is embossed with “RG80” and a traceability code for quality assurance. Quenched and tempered, and proof tested in accordance with a 4-to-1 design factor required by NACM specifications. Finished with a durable black electrophoresis coating.
Key Benefits:
- ✅ Specifically designed for overhead lifting.
- ✅ Meets NACM guidelines for safety and performance.
- ✅ Manufactured from premium alloy steel for superior strength.
- ✅ Features traceability for quality control.
- ✅ Durable black electrophoresis finish for corrosion resistance.
Target Industries & Applications: Construction, Manufacturing, Heavy Lifting, Rigging, Crane Operations, Material Handling.
Product Details
Brand: CH-Honghao
Origin: China
Material: Alloy Steel
Color: Black
Technical Specifications
| Nominal Chain Size(in) | Nominal Chain Size(mm) | Material Diameter(in) | Material Diameter(mm) |
| 7/32 | 5.5 | 0.217 | 5.5 |
| 9/32 | 7.0 | 0.276 | 7.0 |
| 5/16 | 8.0 | 0.315 | 8.0 |
| 3/8 | 10.0 | 0.394 | 10.0 |
| 1/2 | 13.0 | 0.512 | 13.0 |
| 5/8 | 16.0 | 0.630 | 16.0 |
| 3/4 | 20.0 | 0.787 | 20.0 |
| 7/8 | 22.0 | 0.866 | 22.0 |
| 1 | 26.0 | 1.020 | 26.0 |
| 1-1/4 | 32.0 | 1.260 | 32.0 |
| Working Load Limit(Max.)(lbs) | Working Load Limit(Max.)(kg) | Proof Test (Min.)(lbs) | Proof Test (Min.)(kN) |
| 2,100 | 970 | 4,200 | 19.0 |
| 3,500 | 1,570 | 7,000 | 30.8 |
| 4,500 | 2,000 | 9,000 | 40.3 |
| 7,100 | 3,200 | 14,200 | 63.0 |
| 12,000 | 5,400 | 24,000 | 107.0 |
| 18,100 | 8,200 | 36,200 | 161.0 |
| 28,300 | 12,800 | 56,600 | 252.0 |
| 34,200 | 15,500 | 68,400 | 305.0 |
| 47,700 | 21,600 | 95,400 | 425.0 |
| 72,300 | 32,800 | 144,600 | 644.0 |
| Min. Breaking Force(lbs) | Min. Breaking Force(kN) | Inside Length (Max.)(in) | Inside Length (Max.)(mm) |
| 8,400 | 38.0 | 0.69 | 17.6 |
| 14,000 | 61.6 | 0.90 | 22.9 |
| 18,000 | 80.6 | 1.04 | 26.4 |
| 28,400 | 126.0 | 1.26 | 32.0 |
| 48,000 | 214.0 | 1.64 | 41.6 |
| 72,400 | 322.0 | 2.02 | 51.2 |
| 113,200 | 504.0 | 2.52 | 64.0 |
| 136,800 | 610.0 | 2.77 | 70.4 |
| 190,800 | 850.0 | 3.28 | 83.2 |
| 289,200 | 1288.0 | 4.03 | 102.4 |
| Inside Width Range(in) | Inside Width Range(mm) |
| 0.281-0.325 | 7.14-8.25 |
| 0.375-0.430 | 9.53-10.92 |
| 0.430-0.500 | 10.92-12.70 |
| 0.512-0.600 | 13.00-15.20 |
| 0.688-0.768 | 17.48-19.50 |
| 0.812-0.945 | 20.63-24.00 |
| 0.984-1.180 | 25.00-30.00 |
| 1.080-1.300 | 27.50-33.00 |
| 1.280-1.540 | 32.50-39.00 |
| 1.580-1.890 | 40.00-48.00 |