Marine Grade Aluminum Sheet

Marine Grade Aluminum Sheet alloy number: 5052, 5754,5083, 6061, 6082,

Mainly temper: O, H111, H32, H34, H112, H116, H321, T6, T651

Mainly thickness: 0.5mm to 200mm,

Max width: 2700mm,

Certificate: DNV, CCS, BV, NK, KR, GL, LR, ABS, ISO certificate;

Marine grade aluminum sheet Surface: mill finish, PVC films or paper-interleaved;

Our expertise in aluminum manufacturing earned us the place of being one of China’s most dependable marine grade aluminum sheet manufacturers. We have our own aluminum factory that can produce a wide variety of aluminum for different industries including the marine grade aluminum sheet. This allowed us to accept wholesale orders from our customers who want to reduce their expenses.


Are you looking for a marine grade aluminum sheet supplier in China? Drop us a message today and let’s work together in bringing your business to the next level!


Marine Grade Aluminum Sheet Suppliers in China

Nowadays aluminum is more and more popular for shipping buildings, vehicles, tank trailers, Oil tank usage. Marine-grade aluminum sheet means the aluminum sheet which is more suitable for use in some marine environment, it has a very good quality of corrosion resistance and very good performance of welding. Both 5000 series and 6000 series aluminum are marine grade aluminum. The main alloy number are 5052, 5754, 5083, 6061, 6082.


Alloy 5052 and 5083 are marine grade aluminum sheets and also called aluminum-magnesium.

Those two alloy numbers are non-heat-treatable aluminum, it has good welding performance and the hardness allow 90 degrees bending without crack.


The alloy 6061 and 6082 are marine grade aluminum sheet and also called aluminum-magnesium-Si alloys.

Those alloy numbers can be produced with temper T6 or T651, the plate hardness can be above 95HB after the heat treatment. Due to the hardness, 6061 and 6082 always can’t make any bending and easy cracks. The main applications are shipping yards or other parts which don’t need to do any bending.


Marine grade aluminum sheet price per sheet / per kgs

Marine-grade aluminum sheet price changes per day and it depends on the market. Here is our aluminum sheet price per KGS for you:

ALLOYThicknessFOB Price USD/KGSProduce timeMOQStandard Size1 x20FCL
6061 T61.0 to 150mm2.72USD/KGS25 Days3 TONS1250 x 2500mm22 Tons
6082 T68.0 to 300mm2.72USD/KGS
5052 H321.0 to 150mm2.45USD/KGS
5754 H1118.0 to 300mm2.40USD/KGS
5083 H1111.0 to 50mm3.15USD/KGS
5454 H1111.0 to 50mm3.18USD/KGS

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1. Whats the best marine grade aluminum? What kind of aluminum is used for boats?

Marine-grade aluminum always has good quality corrosion resistance, and very good performance of welding,  so many customers use this alloy for shipping building. The main allow numbers are 5052, 5754, 5083, 6061, 6082. Each alloy number has different features, like 5052 H32 is always used for small boat building and also 5052 is the cheapest marine grade aluminum sheet. The alloy 5083 can be produced with grade H321 or H116 because it contains over 4% magnesium elements. HC aluminum can provide DNV, CCS, BV, or ABS certificate;

The hardest marine grade aluminum alloy numbers are 6061 and 6082, the hardness is over 95HB.

Aluminum Sheet 5083 H116/H321 with CCS/DNV/ABS/BV/LR Certificate


2. Whats the difference between marine grade aluminum and regular aluminum?

Marine grade aluminum used in the environment near the ocean, sea, water. It requires high corrosion resistance features. This alloy always contains over 2% magnesium elements. The mainly marine grade aluminum alloy number are 5052, 5754, 5083, 6061, and 6082. Regular aluminum is always 1000 series, 3000 series, those grade aluminum are always used in the normal environment, indoor or outdoor and the main application is road signs, motor vehicle license plates, cookware, building decoration materials, and so on.