Marine Certification 5000 Series Aluminum Sheet
5000 series Al-Mg alloys are with medium strength and good corrosion resistance and weldability, and are widely used in all fields from thin plates to thick plates. The commercially used alloys are 5025, 5249, 5354, 5059, 5180, 5283, 5283B, 5383 and other aluminum-magnesium alloys. Aluminum grade 5083 is the most important marine grade aluminum sheet used for shipbuilding.
Al-Mg alloy composition includes ain alloy element Mg and trace elements Mn, Cr, Zr, Ti and impurity elements Fe and Si etc. The following table lists the common chemical composition and alloying effect of 5XXX alloys.
Alloy element | Chemical composition (wt%) | Functions |
Mg | 5.8 | Mg can form Mg2Al3 phase in Al, which plays a role of dispersion strengthening. With the increase of Mg content, the strength of the alloy increases and the plasticity decreases. |
Mn | 0.5 | It has a supplementary strengthening effect. The formation of AlMn6 can hinder recrystallization, increase recrystallization temperature, and reduce hot cracking tendency. |
Cr | 0.15 | It improves stress corrosion cracking resistance and weldability. |
Zr | 0.15 | Zr can form Al3Zr in Al, which significantly strengthens the alloy and hinders recrystallization. |
Ti | 0.15 | It helps to refine grains and improve alloy strength. |
5083 aluminum alloy has excellent strength, bending performance and seawater corrosion resistance. It is a kind of aluminum alloy for ships with good comprehensive performance. It has been successfully used in yachts, cruise ships and other hulls. 5083 h116/h321/h112 are commonly used.
In the process of ocean transportation, liquefied natural gas (LNG) storage tanks have strict requirements on material performance, and it is necessary to ensure that the strength, mechanical properties and corrosion properties of the material are not affected at low temperature. 5083 aluminum alloy has the performance to meet the above conditions at the same time.
It is the main manufacturing material of offshore low-temperature storage devices such as combustible ice and natural gas. Marine transportation containers (such as fuel tanks, water pumps, conduits, radiators, chimneys and other ship parts) are made of 5000 series aluminum alloys.
The thickness of 5083 aluminum tread plate is 1.2-8mm, which is widely used in buildings, vehicles, ships,etc. It has good corrosion resistance and rust resistance, and strong fatigue resistance. It is usually used in humid environment, such as ships and carriages. This aluminum plate has high strength and certain load-bearing capacity. It can also be used to make aluminum tankers. Welcome to leave message below to inquire aluminium plate cost.
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