Some people ask the specific difference between hatch cover chain, mining chain, hoisting chain, anchor chain and lashing chain, by which standard can these products be distinguished? Can it be mixed? Let me explain to you: In recent years, a few foreign shipping companies have built a batch of container ships without hatch covers, that is, ships with increased size and depth without traditional hatch covers. The warehouse area is all open, and the guide rail structure is adopted from top to bottom. The guide rail is higher than the deck, which can accommodate and support 11 layers of containers. Since the ship is less built and has little practical experience, it is impossible to draw conclusions. Boat Chain
Hatch chain material: 20Mn2, 20Mnv, 25Mnv
Surface condition of hatch cover chain: after heat treatment, roll smooth with anti-rust oil or hot zinc after heat treatment
The structure of the connecting ring of the hatch cover chain is complex. The dimensions of the parts that a…