Explore 5000 Series Aluminum sheets

In the large family of aluminum alloys, the 5000 series アルミシート has become synonymous with corrosion resistance and formability with its unique magnesium addition, mainly 3%-5%, and occupies an irreplaceable position in the fields of ships, vehicles, chemical equipment, etc. This article will take you deep into the world of 5000 series aluminum sheets, from production to application, and comprehensively analyze its core value.

5000 Series Aluminum sheets Production Steps

The production of 5000 series aluminum sheets follows a precise process.

• 1.Smelting and casting: High-purity aluminum ingots are melted with magnesium, manganese and other elements in strict proportions, and cast into large sheets ingots after degassing and filtration.
• 2.Homogenization treatment: The sheets ingots are kept warm at 500°C+ to eliminate component segregation and improve subsequent processing performance.
• 3.Hot rolling: The sheets ingots are rolled to medium thickness at high temperature to refine the grain structure.
• 4.Cold rolling: Finish rolling to target thickness and surface accuracy at room temperature to control mechanical properties.
• 5.Heat treatment: Annealing treatment (such as O state) is carried out according to the requirements of the grade to optimize the formability and stability.
• 6.Finishing and testing: Surface treatment (such as brushing, polishing), strict size and performance testing to ensure that the finished product meets the standards.

Why choose 5000 series aluminum sheets

Excellent corrosion resistance
Magnesium elements form a stable oxide film, especially in marine and chemical environments, far better than ordinary steel.

Excellent formability
The medium and low strength characteristics make it easy to stamp, bend and other cold processing, reducing manufacturing difficulty and cost.

Good welding performance
Most grades are suitable for conventional welding processes and have high connection strength.

Medium strength and excellent toughness
Balance the load-bearing requirements and impact resistance.

Non-heat treatment strengthening
Strength can be improved through work hardening, simplifying the production process.

Parameters of 5000 series aluminum sheets

Main components
Al-Mg alloy, containing a small amount of Mn, Cr, etc. Take 5052 H32 as an example.

table1:

エレメント	Standard range	remarks
アル	Residue ≥97.2%	as base metal
Mg	2.2 ~ 2.8	Core strengthening element, key to corrosion resistance
Cr	0.15 ~ 0.35	Refines grains, improves corrosion resistance and toughness
フェ	≤0.40	Impurities (strictly controlled)
Si	≤0.25	Impurities (affects formability, needs to be limited)
銅	≤0.10	Impurities (reduces corrosion resistance, strictly controlled)
ムン	≤0.10	Impurities (trace, can improve strength)
亜鉛	≤0.10	Impurities (trace)
その他	≤0.15	The sum of all other impurity elements ≤0.15%

Physical properties
Density is about 2.7g/cm³, with good thermal and electrical conductivity.

機械的特性

table2:

Grade/state	Tensile strength (MPa)	Yield strength (MPa)	エロンゲーション（%）	Hardness (HB)
5052-O	170-215	≥70	≥25	~47
5052-H32	230-280	≥195	≥12	~60
5083-O	275-350	≥125	≥16	~65
5083-H116	290-360	≥215	≥10	~75

5000 series aluminum sheets Market conditions and price factors

The price of 5000 series aluminum sheets is affected by multiple factors

• Base price of aluminum ingots: Fluctuates with LME futures (recently about $2300-$2600/ton).
• Alloy composition and grade: 5083 with high magnesium content is usually higher than 5052.
• Specification requirements: The more precise the thickness, width and tolerance, the higher the price.
• Purchase volume and channels: Bulk purchases and factory direct sales have more price advantages.
• Surface treatment process: Special coatings or textures increase costs.

Current market reference

• taking mainstream specifications as an example
• 5052-H32 aluminum sheets: about $3200 – $3800 / ton
• 5083-H116 aluminum sheets: about $3500 – $4200 / ton

The specific price needs to be inquired in real time, and the premium for thick sheets for chemical industry and shipbuilding and special certified products is significant.

application

5000 series aluminum sheets are active in various fields.

• Shipbuilding: hull, deck, bulkhead, 5083 has excellent seawater corrosion resistance.
• Transportation: truck compartments, tank cars, rail vehicle interior panels, new energy battery trays, combining lightweight and corrosion resistance.
• Chemical equipment: storage tanks, pipelines, reactor linings, resistant to chemical corrosion.
• Architectural decoration: curtain walls, ceilings, durable enclosure structures, diverse and durable surface treatments.
• Electronic appliances: equipment housings, heat dissipation components, good processability and shielding performance.
• Daily necessities: luggage panels, home appliance casings, kitchen utensils.

Core competitiveness of 5000 series.

Table3:

Characteristics	5000 series (Al-Mg)	3000 series (Al-Mn)	6000 series (Al-Mg-Si)	2000 series (Al-Cu)
Main advantages	Excellent corrosion resistance, good formability, good weldability	Excellent formability, low cost	High strength, heat treatment strengthening, good comprehensive performance	Extremely high strength
Main disadvantages	Medium strength	Low strength, average corrosion resistance	Corrosion resistance is not as good as 5000 series	Poor corrosion resistance, difficult to process
Typical grades	5052, 5083	3003, 3004	6061, 6082	2024, 2075
耐食性	★★★★★	★★★☆☆	★★★☆☆	★★☆☆☆
成形性	★★★★☆	★★★★★	★★★☆☆	★★☆☆☆
代表的なアプリケーション	Ship sheets, chemical tanks, carriages	Cans, kitchen utensils, sheets heat exchangers	Structural parts, automobile frames, doors and windows	Aerospace structural parts

Core Advantages Summary, When the application scenario is highly dependent on corrosion resistance, good formability and reliable welding performance, and the absolute strength requirement is not extreme, the 5000 series ,especially 5052 and 5083 is usually the most cost-effective and reliable choice. Its long life characteristics in harsh environments are particularly prominent.

Sustainability and Recyclability

5000 series aluminum sheets are not only a performance choice, but also an environmental choice: aluminum itself is highly recyclable (recycling rate can reach more than 95%), and the energy consumption of the recycling process is only about 5% of the original aluminum production. Using 5000 series aluminum sheets is essentially participating in resource recycling and reducing the carbon footprint of the product’s entire life cycle, which is in line with the current global trend of green manufacturing and sustainable development.

5000 series aluminum sheets have established a solid position in the field of industrial materials with their excellent corrosion resistance, good processing formability and welding performance, and wide application adaptability. In today’s pursuit of lightweight, durability and environmental friendliness, in-depth exploration and selection of suitable 5000 series aluminum sheets is undoubtedly a wise choice for engineers and manufacturers.