Supply premium 3000 series aluminum sheets, plates, coils, strips, tubes, and aluminum diamond plates for a wide range of industrial applications. Multiple sizes, tempers, and custom specifications are available to meet different project needs. All products are manufactured in accordance with ASTM B209 standards and supported by ISO 9001 quality control. We also provide value-added processing services, including cutting, slitting, bending, punching, and custom forming, helping global customers source reliable aluminum solutions with consistent quality and fast delivery.
The 3000 series aluminum alloys belong to the Al-Mn alloy family, with manganese content typically ranging from 1.0% to 1.5% or higher (in some cases reaching approximately 4.5%). Alloying significantly enhances corrosion resistance and structural stability. The core advantages of this series include excellent corrosion resistance, outstanding formability, and stable moderate strength, making it suitable for complex forming applications and environments involving long-term exposure.
Typical grades, such as 3003, 3004, and 3105, cannot be heat-treated for strengthening; their properties are primarily enhanced through cold working (e.g., in the H14/H24 condition), with tensile strengths typically ranging from 120 to 200 MPa. Compared to the 1000 series (approximately 60–110 MPa), this represents a significant increase in strength; although lower than that of the 5000 series (approximately 180–350 MPa), they offer a more balanced overall performance in terms of corrosion resistance, formability, and weldability, making them more suitable for applications such as stamping, deep drawing, and structural forming.
Thanks to their stable rust resistance and cost-effectiveness, the 3000 series is widely used in packaging containers, architectural decoration, heat exchange equipment, and new energy battery casings.
| Alloy | Si (%) | Fe (%) | Cu (%) | Mn (%) | Mg (%) | Zn (%) | Ti (%) | Al (%) |
|---|---|---|---|---|---|---|---|---|
| 3003 | ≤0.60 | ≤0.70 | 0.05–0.20 | 1.0–1.5 | — | ≤0.10 | — | Balance |
| 3004 | ≤0.30 | ≤0.70 | ≤0.25 | 1.0–1.5 | 0.8–1.3 | ≤0.25 | — | Balance |
| 3005 | ≤0.60 | ≤0.70 | ≤0.30 | 1.0–1.5 | 0.20–0.60 | ≤0.25 | ≤0.10 | Balance |
| 3104 | ≤0.60 | ≤0.80 | ≤0.25 | 0.8–1.4 | 0.8–1.3 | ≤0.25 | ≤0.10 | Balance |
| 3105 | ≤0.60 | ≤0.70 | ≤0.30 | 0.30–0.80 | 0.20–0.80 | ≤0.40 | ≤0.10 | Balance |
| 3A21 | ≤0.60 | ≤0.70 | ≤0.20 | 1.0–1.6 | ≤0.05 | ≤0.10 | ≤0.15 | Balance |
| Alloy | Density (g/cm³) | Melting Range (℃) | Thermal Conductivity (W/m·K) | Coefficient of Thermal Expansion (×10^-6/K) | Elastic Modulus (GPa) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|---|---|---|---|---|
| 3003 | 2.73 | 660 | 120 – 160 | 23.1 | 68 | 125 – 180 | 55 – 145 | 2 – 12 |
| 3004 | 2.72 | 640 – 660 | 120 – 160 | 23.6 | 73 | 180 – 230 | 70 – 190 | 1 – 10 |
| 3104 | 2.73 | 635 – 655 | 120 – 160 | 23.8 | 73 | 180 – 235 | 80 – 205 | 1 – 10 |
| 3105 | 2.73 | 635 – 655 | 120 – 160 | 23.8 | 73 | 180 – 230 | 80 – 210 | 1 – 10 |
The 3000-series aluminum alloy strikes an ideal balance among corrosion resistance, formability, lightweight strength, and cost-effectiveness. This has led many manufacturers to select it as one of their most suitable aluminum materials. Not only does it enhance product durability and performance, but it is also easy to process.
3000 series aluminum alloys offer excellent corrosion resistance, formability, and processing flexibility. They are widely manufactured into sheets, coils, tubes, rods, wires, and welding materials for industrial applications.
3000 series aluminum tubes provide excellent corrosion resistance, reliable weldability, and easy forming performance. Ideal for HVAC systems, heat exchangers, refrigeration, and industrial piping applications.
The 3000 series aluminum alloy checkered plates combine corrosion resistance, excellent anti-slip properties, and surface durability. They are suitable for applications such as truck flooring, stair landings, industrial walkways, trailers, ship decks, and decorative flooring.
3000 series aluminum alloys are widely used in industries requiring a balance of corrosion resistance, formability, lightweight properties, and cost-effectiveness. With manganese as the primary alloying element, this series offers higher strength compared to 1000 series alloys while maintaining excellent machinability and weldability.
Aluminium alloy 3000 series possess excellent deep-drawing and spinning properties, making them ideal for manufacturing cookware, kitchen utensils, food containers, pressure vessels, and storage tanks. For applications with stringent requirements for hygiene standards, durability, and formability, 3003 and 3A21 alloys are often the preferred materials.
3000 aluminum alloys are commonly used in the manufacture of roofing panels, wall cladding, curtain walls, drainage channels, ceilings, exterior facade panels, and decorative moldings. Among them, alloys such as 3003, 3005, and 3105 are ideal for color coating and spray painting applications due to their superior weather resistance and surface coating stability.
3000 series aluminum alloys sheet are commonly used in the manufacture of vehicle panels, trailer roofs, fuel tanks, thermal insulation systems, marine components, and various lightweight structural parts. Their combined advantages of weldability and corrosion resistance make them ideal materials for industrial manufacturing and transportation equipment.
The 3000 series of alloys is also commonly used in the manufacture of electrical control cabinets, mechanical parts, lamp holders, signage, appliance housings, and power equipment components. Its stable formability allows for efficient support of stamping, bending, and various processing and manufacturing processes.
With its good thermal conductivity and corrosion resistance, 3003 aluminum alloy is widely used in the manufacture of heat exchangers, evaporators, air conditioning fins, refrigeration panels, and ventilation ducts. This alloy performs excellently in humid and industrial environments.
3004 / 3104 aluminum alloys are widely used in the manufacture of beverage cans, can lids, bottle caps, and various food packaging materials. Compared to 3003 alloy, they have higher strength, making them particularly suitable for manufacturing thin-walled packaging containers, ensuring lightweight characteristics while maintaining sufficient structural strength.
Professional aluminum manufacturing and export experience trusted by global industrial customers.
Competitive pricing with direct factory supply and stable production capacity.
Laser cutting, rolling, slitting, and surface processing services available.
Fast shipment support with multiple warehouse storage facilities.
Experienced export team serving customers across 50+ countries.
Trusted by industrial buyers, distributors, and fabrication companies worldwide.
Quick answers for global buyers looking for reliable 3000 series aluminum products.
We supply aluminum sheets, coils, tubes, tread plates, embossed sheets, and custom processed aluminum products.
Yes. We support customized thickness, width, length, surface finish, and processing services.
We supply aluminum sheets, coils, tubes, tread plates, embossed sheets, and custom processed aluminum products.
We supply aluminum sheets, coils, tubes, tread plates, embossed sheets, and custom processed aluminum products.
We supply aluminum sheets, coils, tubes, tread plates, embossed sheets, and custom processed aluminum products.
Contact our sales team for pricing, stock availability, technical specifications, and customized aluminum solutions.
Export Countries
Tons Exported
Large Warehouses
Technical Support
