3004 aluminum coil

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Description
Selection Guide
Aluminum Tempers

3004 Aluminum Coil is a widely used Al-Mn-Mg alloy aluminum coil, offering higher strength than 3003 aluminum while maintaining excellent formability and corrosion resistance. It is especially suitable for applications requiring good deep-drawing performance, moderate strength, and long-term durability in atmospheric environments.

Due to its balanced mechanical properties and processing performance, 3004 aluminum coil is commonly used in construction, packaging, transportation, and industrial equipment.

Specifications

Item Specification
Alloy 3004
Form Aluminum Coil
Thickness 0.2 – 10.0 mm
Width 100 – 2650 mm
Length Coil form or cut-to-length
Surface Finish Mill finish, coated, anodized
Standards ASTM, EN, JIS, GB
Processing Cold rolled
Customization Size, temper, surface treatment available

 

Chemical Composition (Typical)

Element Content (%)
Aluminum (Al) Balance
Magnesium (Mg) 0.8 – 1.3
Manganese (Mn) 1.0 – 1.5
Silicon (Si) ≤ 0.30
Iron (Fe) ≤ 0.70
Copper (Cu) ≤ 0.25
Zinc (Zn) ≤ 0.25
Others ≤ 0.15

Mechanical Properties (Typical)  Mechanical properties vary depending on temper.

Property Typical Range
Tensile Strength 150 – 270 MPa
Yield Strength ≥ 110 MPa
Elongation 6 – 20%
Hardening Method Cold working

 

Physical Properties

Density: 2.70 g/cm³

Melting Point: 629 – 654 °C

Thermal Conductivity: ~160 W/m·K

Electrical Conductivity: ~42% IACS

Coefficient of Thermal Expansion: 23.2 ×10⁻⁶ /K

Temper Options

Commonly supplied tempers include:

O – Annealed (excellent formability)

H12 / H14 / H16 / H18 – Strain hardened

H22 / H24 / H26 / H28 – Strain hardened and partially annealed

Custom tempers are available upon request.

Key Features & Advantages

Higher strength than 3003 aluminum coil

Excellent corrosion resistance in atmospheric environments

Good formability for bending, stamping, and deep drawing

Excellent weldability (MIG / TIG welding supported)

Suitable for color coating and surface treatments

Cost-effective solution for medium-strength applications

Note: 3004 aluminum alloy cannot be strengthened by heat treatment; strength is achieved through cold working.

Typical Applications

Construction & Architecture

Roofing sheets ,Wall panels,Curtain walls,Shutters and ceiling systems

Packaging Industry

Beverage can bodies, Food containers, Aluminum packaging materials

Industrial Applications

Storage tanks, Chemical containers, Heat exchanger components, Lighting fixtures and housings

Transportation

Vehicle panels, Lightweight structural parts

Comparison with Other Alloys

3004 vs 3003:
3004 provides higher strength while maintaining similar corrosion resistance and formability.

3004 vs 5052:
5052 offers higher strength and marine-grade corrosion resistance, while 3004 is more economical and easier to form.

FAQ

1.What is 3004 aluminum coil used for?

3004 aluminum coil is widely used in construction materials, beverage can bodies, roofing sheets, wall panels, storage tanks, and industrial containers, where moderate strength and good formability are required.

2.What is the difference between 3003 and 3004 aluminum coil?

Compared with 3003 aluminum coil, 3004 contains magnesium, which provides higher strength and better performance for deep drawing applications, while maintaining similar corrosion resistance.

3.Is 3004 aluminum coil corrosion resistant?

Yes. 3004 aluminum coil has excellent resistance to atmospheric corrosion and performs well in humid and outdoor environments, making it suitable for long-term use in construction and industrial applications.

4.Can 3004 aluminum coil be heat treated?

No. 3004 aluminum alloy is not heat-treatable. Its strength is improved through cold working and strain hardening, such as H14 or H18 temper.

5.Is 3004 aluminum coil suitable for deep drawing?

Yes. 3004 aluminum coil has good deep-drawing performance, which is why it is commonly used for beverage can bodies and packaging materials.

6.What tempers are available for 3004 aluminum coil?

Common tempers include O, H12, H14, H16, H18, H22, and H24. Custom tempers can also be supplied based on customer requirements.

7.Can 3004 aluminum coil be welded?

Yes. 3004 aluminum coil offers good weldability and can be welded using MIG or TIG welding methods commonly used in aluminum fabrication.

8.What surface finishes are available?

3004 aluminum coil can be supplied with mill finish, color coating (PE / PVDF), anodized finish, or other customized surface treatments depending on application needs.

9.What standards does 3004 aluminum coil comply with?

3004 aluminum coil can be produced according to ASTM, EN, JIS, and GB standards, ensuring compatibility with international projects.

10.Is 3004 aluminum coil suitable for outdoor use?

Yes. Thanks to its corrosion resistance and stable mechanical properties, 3004 aluminum coil is suitable for outdoor and architectural applications, including roofing and wall panels.

Performance Requirement Service Environment Typical Applications Recommended Alloys Technical Notes
Excellent formability & deep drawing Indoor, mild outdoor Food packaging, roofing sheets, deep-drawn components 1050, 1060, 1100 Very high ductility, low strength, ideal for cold forming
Balanced strength & corrosion resistance Outdoor, humid environments Roofing, cladding, insulation jacketing 3003, 3004 Mn-alloyed series, good workability and corrosion resistance
Higher strength for structural use Outdoor, light structural loads Transportation panels, industrial housings 5052, 5754 Mg-alloyed, stronger than 3xxx, excellent corrosion resistance
Marine & high corrosion resistance Marine, coastal, chemical exposure Shipbuilding, tanks, pressure vessels 5083, 5086 Outstanding resistance to seawater corrosion
High strength & machinability Mechanical load, precision parts Automotive parts, machine components 6061, 6082 Heat-treatable, good balance of strength and machinability
Maximum strength-to-weight ratio High-stress structural environments Aerospace, high-performance structures 7075 Very high strength, reduced corrosion resistance
Good thermal & electrical conductivity Heat transfer, electrical use Heat exchangers, bus bars, radiators 1050, 1070 High aluminum purity improves conductivity
Temper Processing Condition Tensile Strength (MPa) Elongation (%) Formability Level Typical Coil Applications
O Fully annealed ~90–110 25–35% High Deep drawing, spinning, food & chemical packaging
H12 Light strain hardened ~110–130 15–25% Medium–High Light forming, insulation jacketing
H14 Half-hard ~140–160 6–12% Medium Roofing sheets, cladding, general forming
H24 Strain hardened & stabilized ~150–170 8–15% Medium Pre-painted coils, building materials
T6 Heat-treated & artificially aged ~240–310* 6–10% Low Structural parts (limited coil applications)

*T6 values mainly apply to heat-treatable alloys such as 6061.

Note: Actual mechanical properties shall be subject to the specific alloy, temper, thickness, and applicable standard (ASTM / EN / GB).

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