3005 Aluminum Strip

3005 aluminum strip is a premium alloy in the 3000 series (aluminum-manganese alloys). It is essentially an upgraded version of the more common 3003 alloy, with a small addition of magnesium that increases its strength by approximately 20% while maintaining excellent corrosion resistance and formability. Due to its durability and resistance to corrosion in humid or marine environments, it has become a “workhorse” material in the construction and industrial cooling sectors.

3005 aluminum strip is an industrial aluminum alloy strip material featuring medium strength, excellent corrosion resistance, good formability and weldability, and wide applicability in the construction and manufacturing fields.

3005 aluminum strip is typically supplied in coil or strip form for industrial and manufacturing applications. It is similar to 3005 plate/sheet, but presented as a thin, long, continuous strip.

3005 aluminum strip

3005 Aluminum Strip Specifications

Specification	Parameters	Remarks
Thickness	0.10mm — 4.0mm	Common: 0.2, 0.5, 0.8, 1.0, 1.5, 2.0mm
Width	10mm — 1600mm	Precision slitting available on demand (as narrow as 8mm)
Coil Inner Diameter (ID)	75mm, 150mm, 300mm, 505mm	505mm/508mm are industrial standard large coils
Common Tempers	O, H12, H14, H16, H18, H22, H24	H14/H24 (half-hard) are the most widely used
Surface Treatment	Mill finish, color-coated, embossed, brushed, oiled	Optional PE/PVDF coatings or orange peel embossing
End Uses	Heat dissipation fins, battery cases, aluminum ceilings, can lids	Especially suitable for humid or mildly corrosive environments

Typical Tempers of 3005 Aluminum Strip

O (Annealed): the softest condition, offering maximum ductility, suitable for deep drawing.
H14 / H24: half-hard condition, the most common “general-purpose” temper.
H18: full-hard condition, highest strength but very low flexibility.

3105 O Aluminum Strip

Fully annealed to the softest condition, providing excellent ductility and bending performance. Mainly used for deep drawing or parts requiring severe deformation.

3105 H14 / H24 Aluminum Strip

In a half-hard condition (H24 refers to strain-hardened and partially annealed), balancing moderate strength with good formability. This is the most commonly used temper for color-coated substrates and bottle cap material.

3105 H18 Aluminum Strip

Fully strain-hardened to the full-hard condition, achieving the highest strength and hardness but with lower plasticity. Suitable for high-strength structural components that do not require bending or large deformation.

Temper	Hardness / Strength	Ductility / Workability	Typical Applications
O	Lowest	Extremely high	Deep-drawn parts, complex stamped components
H14 / H24	Medium	Good	Bottle caps, building curtain walls, canopies
H18	Highest	Relatively low	Decorative panels, support parts that do not require forming

3005 Aluminum Strip Typical Sizes & Surface Finish Forms

3005 aluminum strip is usually supplied in long coils or cut into strips of various thicknesses and widths, depending on the supplier and application requirements. Thickness and width are typically customizable according to industrial orders.

3005 Aluminum Strip Typical Dimensions (Strip Form)

Dimension Item	Typical Range (Metric mm)	Common Specifications / Remarks
Thickness	0.20 – 4.0 mm	Common thicknesses: 0.3, 0.5, 0.8, 1.0, 1.2, 2.0 mm
Width	10 – 1600 mm	Narrow strip: 10–600 mm
Width	10 – 1600 mm	Wide coil: 600–1600 mm
Inner Diameter	150, 300, 400, 505 mm	505 mm (20") is the most commonly used industrial standard inner diameter
Outer Diameter	800 – 1600 mm	Depends on single-coil weight requirements (typically 1–5 tons per coil)
Length	C (Continuous coil)	Usually delivered in coil form, but can also be cut into sheets

3005 Aluminum Strip Available Surface Finish Forms

Product Name	Surface Finish	Main Features & Typical Applications
3005 Mill Finish Aluminum Strip	As-rolled surface with a silver-white metallic luster.	Good electrical and thermal conductivity; used for heat sink fins, battery cases, lamp caps, and various stamped parts.
3005 Color Coated Aluminum Strip	Surface coated with polyester (PE) or fluorocarbon (PVDF) paint.	Excellent corrosion resistance and long-lasting color; widely used for building roller shutters, doors and windows, ceilings, and roofing panels.
3005 Embossed Aluminum Strip	Surface embossed with orange peel, diamond, or stucco patterns.	Increased surface area (for heat dissipation), anti-slip, and scratch-resistant; commonly used for refrigerator liners and pipe insulation jackets.
3005 Anodized Aluminum Strip	A hard oxide film formed on the surface through an electrochemical process.	High surface hardness and electrical insulation; suitable for high-end electronic device panels, cosmetic packaging, and interior decoration.
3005 Mirror / Brushed Aluminum Strip	Surface polished to a mirror-like finish or mechanically brushed.	Highly decorative; mainly used for lamp reflectors, home appliance panels, and high-grade interior and exterior decoration.
3005 Film Laminated Aluminum Strip	PE or PVC protective film applied to any of the above surfaces.	Provides physical protection to prevent surface scratches during transportation and bending/forming; the film is removed after processing.

3005 Aluminum Strip Characteristics

Excellent corrosion resistance: a dense oxide film forms on the surface, providing resistance to humid and salt-spray environments, making it suitable for long-term outdoor exposure.
Good formability: moderate cold work hardening rate allows processing into complex shapes through cold rolling, stamping, deep drawing, and other forming processes.
Moderate strength: approximately 20% higher strength than 3003 alloy and higher than pure aluminum (1000 series), but lower than 6000/7000 series alloys.
Outstanding weldability: high weld joint strength, low sensitivity to porosity, and compatibility with multiple welding processes.
Good surface treatment performance: suitable for coating and anodizing to achieve attractive and durable surface finishes.

3005 Aluminum Strip Applications

Typical applications include building curtain walls, HVAC components, decorative parts, heat exchanger fins, and other uses requiring corrosion resistance and good strength.

Construction and structures: roofing sheets, residential exterior wall panels, gutters, and downspouts.
HVAC and heat exchangers: commonly used for air conditioner fins, radiators, and refrigerator liners due to its high thermal conductivity.
Automotive: battery enclosures, underbody shields, and heat shields.
Electronics: transformer strips (high-purity grades) and lamp caps.
Containers and packaging: used to manufacture cookware, food and chemical storage equipment, transport tanks, and various packaging foils (such as bottle cap foil and laminated foil).
Other industries: also applied in heat sinks, electrical and electronic components, and heat exchangers.

Construction Sector

Roofing materials and exterior wall cladding: strong weather resistance, lightweight, and aesthetically pleasing.
Door and window frames: high wind pressure resistance, good air and water tightness, and resistance to deformation.
Curtain wall decoration: can be fabricated into various shapes, with a wide range of surface coating options.
Ventilation ducts: corrosion-resistant with a long service life.

Home Appliances & Electronics

Air conditioners and refrigerator liners and housings: resistant to humid environments and corrosion.
Heat sinks / radiators: good thermal conductivity and lightweight.
Electronic equipment housings: electromagnetic shielding and lightweight design.
Copier drums and decorative panels: high surface quality and easy formability.

Transportation

Automotive lightweight components: body panels (up to 30% weight reduction), luggage racks, and trim strips.
Automotive radiators: excellent thermal conductivity and corrosion resistance.
Marine interiors and exterior panels: resistant to seawater corrosion and reduce vessel weight.
Rail transit vehicles: lightweight design improves fuel efficiency.

Other Fields

Solar photovoltaic module frames: UV-resistant with good weatherability.
Signage and light boxes: easy to process, surfaces can be printed or laminated.
Furniture decorative trims: attractive, durable, and resistant to deformation.
Chemical equipment: resistant to acid and alkali corrosion.

3005 Aluminum Strip Chemical Composition Limits

Alloy	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Others-Each	Others Total	Al Min
3005	0.6	0.7	0.3	1.0-1.5	0.20-0.6	0.1	0.25	0.1	0.05	0.15	Remainder

Typical Mechanical Properties Data of 3005 Aluminum Strip

Alloy-Temper	Tensile Strength	Yield Strength	Elongation
Alloy-Temper	(ksi)	(ksi)	(%)
3005-O	20	8	22
3005-H14	29	28	4
3005-H18	37	36	2

Comparison: 3005 Aluminum Strip vs. 3003

If you are considering choosing between these two commonly used alloys, the following outlines their differences:

Strength: Due to its higher magnesium content, 3005 has significantly higher strength than 3003.
Corrosion Resistance: 3005 offers slightly better corrosion resistance than 3003 in seawater and high-humidity environments.
Formability: 3003 is generally easier to deep draw into complex shapes, while 3005 is more suitable for structural “rigid” components such as window frames.

Property	3005	3003	Advantage
Manganese Content	1.0%–1.5%	1.0%	3005 provides higher strength
Tensile Strength	About 20% higher	Baseline	3005 is suitable for higher strength requirements
Corrosion Resistance	Slightly better	Good	3005 is better suited for harsh environments
Price	Slightly higher	Cost-effective	Choose based on application requirements
Typical Applications	Building curtain walls, automotive components	General roofing, ventilation ducts	3005 is suitable for higher-end applications

3005 Aluminum Strip Purchasing Guide

Selection key points:

Based on service environment: choose high-corrosion-resistance O/H24 temper for humid or salt-spray environments; choose H18 temper for high-strength requirements
Based on processing method: choose O temper for deep drawing; choose H14/H24 temper for bending and forming
Based on surface requirements: for coating or anodizing, choose H24 temper with good surface quality
Based on budget: if performance requirements are not high, choose 3003 to reduce costs; for high-end applications, choose 3005

With its excellent corrosion resistance, good formability, and moderate strength, 3005 aluminum strip has become an ideal material for industries such as construction, home appliances, and automotive manufacturing. When selecting, it is recommended to comprehensively consider the specific application scenario, processing requirements, and budget to choose the appropriate temper and specifications.

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