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The hull steel is exposed to air and sea water, if no measures are taken, it will soon be rusted and scrapped.
We must first understand which parts of the ship are prone to rust, so that we can effectively detect it and take measures.
1. The outer plates and their welds and rivets between the light and heavy load lines.
2. The outer plate under the water hole.
3. The outer plate and rudder plate near the propeller.
4. The submarine valve box and its adjacent outer plate.
5. The outer plates and welds frequently rubbed by the chain, as well as the wall plates and bottom plates of the chain cabin.
6. The top plate, skeleton and components in the fore and aft compartments of the ballast tank.
7. Deck in the kitchen, bathroom, cold storage, battery room, etc.
8. The two sections of the superstructure and the bottom of the coaming around the deckhouse and the nearby deck.
9. Steel components at the sewage ditch and sewage well.
10. The surrounding steel plate through which the steam pipeline passes.
GB T 5312 Carbon and carbon-manganese steel seamless steel tubes and pipes are mainly for ship use, also known as shipbuilding steel pipes. Under GB T 5312, there are mainly 5 steel grades: grade 320, 360, 410, 460 and 490. Each grade covers three levels: I, II, III.
Angle steel, commonly known as angle iron, is a long strip of steel whose sides are perpendicular to each other. There are equal angle steels and unequal angle steels. The two sides of equal angle steel are equal in width. The unequal angle steel is also known as L shape profile steel.
Flat bar steel can be produced according to the user's needs, with fixed thickness, width and length. It can reduce the cutting process for users, reduce the consumption of labor and materials, and also reduce the processing loss of raw materials.
Bulb flat steel for shipbuilding
The bulb flat steel is a kind of medium section material which is mainly used in the field of shipbuilding and bridge building, and the shipbuilding bulb flat steel is an auxiliary medium section material for shipbuilding.
The steel for shipbuilding and oil platform---FH40, is the high tensile strength steel.The shipbuilding steel FH40 is the Hull structural steel.We can provide FH40 shipbuilding steel plate price.
The steel for shipbuilding and oil platform---EH40, is the high tensile strength steel.The shipbuilding steel EH40 is the Hull structural steel.We can provide EH40 shipbuilding steel plate price.
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BBN SHIP STEEL FACTORY
