Hatch Cover Chain
Product Description:
Hatch cover chain is manufactured of 20Mn2 and 20MnV with surface treatment of anti-rust coating after tumbling or hot galvanization. The chains also can be black painted. The most common dimension of hot-dip galvanized hatch cover chains is 11*43*12.5mm and also other dimensions available.
Chemical Composition of 20Mn2 and 20MnV:
|
Steel Grade |
Chemical Composition % |
|||
|
C |
Si |
Mn |
V |
|
|
20Mn2 |
0.17~0.24 |
0.17~0.37 |
1.40~1.80 |
- |
|
20MnV |
0.17~0.24 |
0.17~0.37 |
1.30~1.60 |
0.07~0.12 |
Specifications of Hatch Cover Chain:
|
Chain Diameter mm |
Inside Length mm |
Inside Width mm |
Testing Load kn |
Breaking Load kn |
Nominal Weight kg/m |
|
11 |
43 |
12.5 |
57 |
116 |
2.39 |
|
14(A) |
50 |
17 |
97 |
194 |
3.95 |
|
14(B) |
42 |
18 |
97 |
194 |
4.32 |
|
15 |
42 |
21 |
106 |
212 |
5.20 |
|
16(A) |
48 |
22 |
128 |
254 |
5.34 |
|
16(B) |
55 |
18 |
128 |
254 |
5.29 |
|
18(A) |
54 |
24 |
161 |
322 |
7.12 |
|
18(B) |
64 |
25 |
161 |
322 |
6.32 |
|
19 |
57 |
24 |
164 |
330 |
7.60 |
|
20(A) |
60 |
22 |
129 |
359 |
9.50 |
|
20(B) |
62 |
22 |
179 |
359 |
8.57 |
|
22(A) |
78 |
31 |
240 |
480 |
9.86 |
|
22(B) |
86 |
30 |
240 |
480 |
9.24 |
|
22(C) |
66 |
31 |
240 |
480 |
10.6 |
|
30 |
108 |
35 |
399 |
798 |
18.22 |
|
Note |
If you have any specific requirements, please contact us. |
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Photo of Hatch Cover Chain:
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