Hatch Cover Chain - Welded Link Chain - Hi-sea

Hatch Cover Chain


Hatch Cover Chain


1.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 availabl.

If you have any interest, please feel free to contact us.


2.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


3. 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.


4. Photo of Hatch Cover Chain



Contact with us now

Our mail: manager@hiseamarine.com

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