1.80Grade, High intensity chain, breaking load>800Mpa 2. National standard JB/T8108.1-1999
3. Material: High quality mild alloy steel.
4. The tensile extension under breaking load is more than 17%.
80 Grade Chain Parameters：
size d*p mm | Width | Mass per unit Len kg/m | WLL t | Test load KN | Breaking load KN |
Min a | Min b |
6*8 | 7.5 | 21 | 0.79 | 1.1 | 27 | 45.2 |
7*21 | 9 | 24.5 | 1.07 | 1.5 | 37 | 61.6 |
8*24 | 10 | 28 | 1.38 | 2 | 48 | 80.4 |
10*30 | 12.5 | 35 | 2.2 | 3.2 | 76 | 125 |
11*43 | 12.6 | 36.5 | 2.33 | 3.8 | 92 | 154 |
12*36 | 15 | 42 | 3.1 | 4.6 | 109 | 181 |
12.5*38 | 15.5 | 42.2 | 3.3 | 4.9 | 117 | 196 |
13*39 | 16.3 | 46 | 3.8 | 5 | 128 | 214 |
14*42 | 18 | 49 | 4.13 | 6.3 | 150 | 250 |
14*50 | 17 | 48 | 4 | 6.3 | 150 | 250 |
