Grade 80 Load Chain
Specifications
grade 80 load chain1.Material:(G80) 20Mn2
2.Finish: Polished, Blackened, Galvanized
3.Bending stress test avalible
grade 80 load chain
ITEM NO. |
G8H0412 | G8H0515 | G8H0618 | G8H0721 | G8H0824 | G8H0927 | G8H1030 | |
Dia.(mm) |
NOMINAL |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
Material diameter tolerance |
+/-0.2 |
+/-0.2 |
+/-0.2 |
+/-0.3 |
+/-0.3 |
+-0.4 |
+/-0.4 |
|
Pitch(mm) |
NOMINAL |
12 |
15 |
18 |
21 |
24 |
27 |
30 |
Tolerance |
0.25 |
0.3 |
0.35 |
0.4 |
0.5 |
0.5 |
0.6 |
|
|
L(11xP)mm
|
NOMINAL |
132 |
165 |
198 |
231 |
264 |
297 |
330 |
Tolerance |
0.6 |
0.8 |
1.0 |
1.1 |
1.3 |
1.4 |
1.6 |
|
|
External Width (w2) max. (mm)
|
13.6 |
17 |
20.4 |
23.8 |
27.2 |
30.6 |
34 |
|
|
Internal Width( W3) min. (mm)
|
4.8 |
6.0 |
7.2 |
8.4 |
9.6 |
10.8 |
12.0 |
|
Manufacturing Proof Force (MPF) min. |
KN |
12.6 |
29.6 |
28.3 |
38.5 |
50.3 |
63.6 |
78.5 |
|
Breaking
Force(BF) min.
|
KN |
20.1 |
31.4 |
45.2 |
61.6 |
80.4 |
102 |
126 |
Elongation |
when breaking |
>17% |
>17% |
>17% |
>17% |
>17% |
>17% |
>17% |
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