Product Description
ALLOY STEEL CHAIN GR 80, GRADE T AS PER ISO: 3077
SPECIFICATION:
- Material: Ni Cr Moly Steel.
- Heat Treatment : Hardened & Tempered.
- Process of Manufacture: Resistance Butt Welding up to 20 mm Dia and Flash Butt Welding 22 mm and above
- Delivery condition: Chains are supplied in standard lengths in MS drum packing.
| Diameter | Pitch | Width | Working load limit (t) | Proof force KN | Breaking load KN (min) | Weight approx (kg/m) |
| Nominal d | Tolerance | Nominal t | Tolerance | Internal b1 min | External b2 max |
| 5 | -/+ 0.2 | 15 | -/+ 0.3 -0 | 6.0 | 17 | 0.8 | 19.6 | 31.4 | 0.5 |
| 6.3 | -/+ 0.2 | 19 | -/+ 0.4 -0 | 7.2 | 20.4 | 1.2 | 31.2 | 49.9 | 0.9 |
| 7.1 | -/+ 0.3 | 21 | -/+ 0.5 -0 | 8.4 | 23.8 | 1.6 | 39.6 | 63.3 | 1.1 |
| 8 | -/+ 0.3 | 24 | -/+ 0.5 -0 | 9.6 | 27.2 | 2 | 50.3 | 80.4 | 1.4 |
| 9 | -/+ 0.3 | 27 | -/+ 0.6 -0 | 10.8 | 30.6 | 2.5 | 63.6 | 102 | 1.75 |
| 10 | -/+ 0.4 | 30 | -/+ 0.7 -0 | 12 | 34 | 3.2 | 78.5 | 126 | 2.15 |
| 11.2 | -/+ 0.4 | 34 | -/+ 0.8 -0 | 13.2 | 37.4 | 4 | 98.5 | 158 | 2.7 |
| 12 | -/+ 0.4 | 36 | -/+ 0.8 -0 | 15 | 42 | 4.6 | 114 | 182 | 3.15 |
| 12.5 | -/+ 0.5 | 38 | -/+ 0.8 -0 | 14.4 | 40.8 | 5 | 123 | 196 | 3.3 |
| 13 | -/+ 0.5 | 39 | -/+ 0.8 -0 | 15.6 | 44.2 | 5.3 | 133 | 212 | 3.6 |
| 14 | -/+ 0.6 | 42 | -/+ 0.8 -0 | 16.8 | 74.6 | 6 | 154 | 246 | 4.1 |
| 16 | -/+ 0.6 | 48 | -/+ 0.9 -0 | 19.2 | 54.4 | 8 | 201 | 322 | 5.4 |
| 18 | -/+ 0.9 | 54 | -/+ 1.0 -0 | 21.6 | 61.2 | 10 | 254 | 407 | 7.2 |
| 20 | -/+ 1 | 60 | -/+ 1.2 -0 | 24 | 68 | 12.5 | 314 | 503 | 8.8 |
| 22 | -/+ 1.1 | 66 | -/+ 1.3 -0 | 26.6 | 74.8 | 15 | 380 | 608 | 10.5 |
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