Aluminum Plate Boat in Marine Environment
Aluminum alloy has the characteristics of low density, large specific elastic modulus and high specific strength, and it is relatively cheap and has good workmanship. Compared with steel ships, the weight of aluminum alloy ships is reduced more than 15%, so the marine aluminum plate is an ideal material for building high-speed ships.
Ships at sea are in direct contact with seawater. In the selection of manufacturing materials, the characteristics of aluminum plate boat and the properties of seawater itself need to be considered to draw conclusions through comparative analysis.
Seawater belongs to an electrolyte solution, and has certain corrosive properties to metals, and electrochemical corrosion occurs when the aluminum alloy is in contact with seawater. Seawater is less corrosive to the 5xxx aluminum plate and 5000 aluminum alloys are widely used in the construction of ships and marine engineering.
5000 Al-Mg alloys are with medium strength and good corrosion resistance and weldability, and are widely used in different forms from thin plates to thick plates. The commercially used Al-Mg alloys are 5052, 5083, 5086, 5383, 5059,etc.
The freshwater yachts are mostly made of 5052-H32 or 5052-0 aluminum plates, while luxury yachts on the sea are generally made of high-magnesium alloy 5083H116 or 5083H321 aluminum plates. They have good corrosion resistance after special processing. The common thickness of the marine aluminum sheet is generally 3-30mm, and the thickness below 12mm is more widely used.
Aluminum 5086 is a high magnesium and non-heat treatable alloy. Its magnesium content is between 3.5% and 4.5%. Therefore, the strength of 5086 aluminum is higher than that of 5052 aluminum alloy, but the strength is slightly lower than that of 5083 aluminum alloy. Generally speaking, the state of commonly used 5086 marine aluminum plate is O, H111, H112, H116, H321, etc.
Haomei Aluminum strictly controls the product process of 5086 aluminum plate. Through alloy composition determination, smelting and casting process optimization, homogeneous heat treatment and rolling process test, it meets the processing needs of marine aluminum plate. 5086 ultra-wide and ultra-thick aluminum plate has internal stress relief and no deformation during cutting. Welcome to leave message below to inquire what you need.
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