Ship plate is a material used to make ship hulls, usually made of steel, aluminum alloy, fiberglass and other materials. Among them, steel ship plates are one of the most commonly used materials, and their composition and performance have an important impact on the strength, corrosion resistance and service life of the hull. The following will analyze the ship plate material and introduce its component properties.
1. Steel ship plates
Steel ship plate is one of the most commonly used hull materials, mainly composed of iron, carbon and a small amount of alloy elements. Among them, iron is the main component of the ship plate, carbon can increase the strength and hardness of the ship plate, and alloying elements can improve the corrosion resistance and other properties of the ship plate.
The manufacturing process of steel ship plates includes two processes: hot rolling and cold rolling. The hot rolling process is to smelt iron ore into molten steel at high temperature, and then process it into a steel plate of a certain thickness through a rolling mill; the cold rolling process is to make a hot-rolled steel plate with a certain thickness and surface quality through pickling, cold rolling, annealing and other processes. steel plate.
The advantages of steel ship plates include high strength, hardness, and good corrosion resistance. Its disadvantage is that it is heavy, which is not conducive to the lightweight design of ships. At the same time, the cost of steel ship plates is also higher.
2. Aluminum alloy ship plates
Aluminum alloy ship plate is a lightweight, high-strength hull material, mainly composed of aluminum, magnesium, silicon and other elements. The advantages of aluminum alloy ship plates include light weight, good corrosion resistance, and good thermal conductivity. Its disadvantages are higher price and poor impact resistance.
The manufacturing process of aluminum alloy ship plates includes casting and extrusion. The casting process is to smelt aluminum into liquid and pour it into a mold to cool and solidify; the extrusion process is to process aluminum ingots into aluminum alloy profiles of a certain shape through an extrusion machine.
