80 Grade Chain Introduction：
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 |
