Hatch Cover Chain

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:

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.

Photo of Hatch Cover Chain: