1050 Aluminum Strip

1050 aluminum strip is a 1000 series industrial pure aluminum strip with an aluminum content of ≥99.5%. It belongs to a non-heat-treatable alloy and features excellent electrical conductivity, thermal conductivity, corrosion resistance, and formability. It is widely used across multiple industrial sectors.

1050 aluminum strip (1050 aluminum strip / 1050 aluminum coil) is commonly used in many industrial fields due to its outstanding processing performance, corrosion resistance, and electrical conductivity rather than high structural strength requirements. As a typical commercial pure aluminum strip, 1050 aluminum strip is soft in texture and highly ductile. Compared with 3000 series aluminum strips and 5000 series aluminum alloy strips, it is more suitable for cold bending, stamping, deep drawing, and winding processes.

As an industrial pure aluminum product, 1050 aluminum strip features low density, excellent electrical and thermal conductivity, good corrosion resistance, and outstanding processing performance. At the same time, it also has limitations such as relatively low strength, low hardness, and limited heat resistance. Overall, 1050 aluminum strip is an economical and well-balanced aluminum material suitable for a wide range of applications.

1050 Aluminum Strip

1050 aluminum strip has a series of excellent properties: low density (approximately 2.71 g/cm³), excellent electrical and thermal conductivity, good corrosion resistance, excellent plastic processing performance, and no low-temperature brittleness.

Compared with other pure aluminum materials (such as 1060), 1050 aluminum strip has a slightly lower aluminum content (the aluminum content of 1060 is above 99.6%) and slightly higher iron and silicon impurity levels. As a result, its electrical conductivity is slightly lower (approximately 59% IACS), but its cost is lower, making it more suitable for cost-sensitive applications.

Pure aluminum series, aluminum content 99.5%, low density, high conductivity, low cost

Chemical Composition and Production Process: 1050 aluminum strip contains almost no other metal elements, which makes its chemical composition relatively simple. This purity not only simplifies the production process but also makes 1050 aluminum strip relatively low-cost. Therefore, 1050 aluminum strip has a price advantage in the market, especially in applications where strength requirements are not high.
Physical and Mechanical Properties: One of the notable features of 1050 aluminum strip is its excellent plasticity, which means it has outstanding ductility and formability in various processing operations. Whether bending, stamping, or other forming processes, 1050 aluminum strip can easily adapt. Additionally, 1050 aluminum strip has superior corrosion resistance, allowing it to maintain stability even when exposed to the atmosphere or corrosive environments.
Electrical and Thermal Conductivity: Another advantage of high-purity aluminum is its excellent electrical and thermal conductivity. 1050 aluminum strip efficiently conducts electrical current and heat, making it an ideal material for electronic components, heat sinks, and conductive strips.
Strength and Heat Treatment: Although 1050 aluminum strip excels in plasticity and electrical conductivity, its mechanical strength is relatively low. This means that 1050 aluminum strip may not be as suitable for applications requiring significant mechanical stress compared to other alloyed aluminum strips.

Additionally, 1050 aluminum strip cannot be strengthened through heat treatment, unlike some other aluminum alloys that can increase their strength through heat treatment. This characteristic limits its use in applications requiring high strength, but it still performs excellently in non-structural and medium-low strength applications.

1050 Aluminum Strip Specifications

Product name	1050 Aluminium Strip
Grades	1050
Temper	O H112
Specification	Thickness:0.2-3.5mm Width:20-1400mm
Quantity tolerance	±10%
Surface treatment	Mill finish

Available Forms and Supply Tempers for 1050 Aluminum Strip

1050 aluminum strip is usually supplied in coil or sheet form. Common delivery tempers include: F (as fabricated), O (annealed), H12, H14, H16, H18, H22, H24, H26, H28, etc. The "H" temper indicates that the material has undergone strain hardening, and the numbers represent different degrees of strain hardening.

Annealed: O
Strain-hardened: H12, H14, H16, H18 (full hard)
Strain-hardened + partially annealed: H22, H24, H26, H28

Depending on your project, aluminum strip is typically supplied in one of the following tempers:

O (Annealed): Fully soft with maximum ductility; ideal for complex forming.
H14 (Half-hard): Work-hardened by rolling; balances strength and formability.
H18 (Full-hard): The maximum strength achievable for this grade, but with very low ductility.

1050 aluminum strip cannot be strengthened by heat treatment, but its strength can be improved through cold deformation. The only form of heat treatment is annealing. The annealing temperature is usually between 390–430°C, with a holding time of 30–120 minutes, followed by furnace cooling to below 300°C and then air cooling.

Specifications and Tolerances of 1050 Aluminum Strip

Common Specifications of 1050 Aluminum Strip

The specifications of 1050 aluminum strip mainly include thickness, width, and length. The commonly used ranges are as follows:

Thickness range

Thin strip: 0.1mm–3.0mm

Medium-thick strip: 3.0mm–10mm

Width range

Narrow strip: 10mm–300mm

Wide strip: 300mm–2650mm

Length specification

Coil strip: usually in continuous length (C), can be slit as per customer requirements

Fixed-length sheet: common lengths are 1000mm–8000mm, such as 1000×2000mm, 1220×2400mm, 1500×3000mm, etc.

In addition, 1050 aluminum strip can also be provided in a wider range of specifications for special application requirements, such as ultra-wide strips up to 2650mm in width and ultra-thick plates up to 450mm in thickness.

1050 Aluminum Strip Tolerances

Thickness Tolerances for 1050 Aluminum Strip

Thickness Range	Width ≤ 1000mm	1000mm < Width ≤ 1250mm	1250mm < Width ≤ 1600mm	1600mm < Width ≤ 2000mm	2000mm < Width ≤ 2500mm	2500mm < Width ≤ 3000mm
>0.20～0.40	±0.01	±0.015	±0.02	±0.03	±0.04	-
>0.40～0.50	±0.015	±0.02	±0.025	±0.03	±0.05	-
>0.50～0.60	±0.02	±0.02	±0.025	±0.03	±0.05	±0.06
>0.60～0.80	±0.025	±0.025	±0.03	±0.04	±0.06	±0.07
>0.80～1.00	±0.03	±0.03	±0.035	±0.04	±0.07	±0.07
>1.00～1.20	±0.03	±0.03	±0.04	±0.05	±0.07	±0.08
>1.20～1.50	±0.03	±0.04	±0.04	±0.05	±0.08	±0.09
>1.50～1.80	±0.03	±0.04	±0.04	±0.06	±0.09	±0.09
>1.80～2.00	±0.04	±0.04	±0.05	±0.06	±0.09	±0.10
>2.00～2.50	±0.04	±0.05	±0.05	±0.07	±0.10	±0.11
>2.50～3.00	±0.05	±0.05	±0.05	±0.08	±0.11	±0.12
>3.00～3.50	±0.05	±0.05	±0.06	±0.09	±0.12	±0.13
>3.50～4.00	±0.06	±0.06	±0.07	±0.10	±0.13	±0.15
>4.00～5.00	±0.07	±0.07	±0.08	±0.12	±0.15	±0.16
>5.00～7.00	±0.08	±0.09	±0.10	±0.14	±0.17	±0.18

1050 Aluminum Strip Width Tolerances

Thickness Range	Width ≤ 100mm	100mm < Width ≤ 300mm	300mm < Width ≤ 500mm	500mm < Width ≤ 1250mm	1250mm < Width ≤ 1650mm	1650mm < Width ≤ 3000mm
>0.20～0.60	+0.5	+0.6	+1.0	+3.0	+4.0	+5.0
>0.60～1.00	+0.5	+0.8	+1.5	+3.0	+4.0	+5.0
>1.00～2.00	+0.6	+1.0	+2.0	+3.0	+4.0	+5.0
>2.00～3.00	+2.0	+2.0	+2.0	+3.0	+4.0	+5.0
>3.00～5.00	+3.0	+3.0	+3.0	+4.0	+5.0	+8.0
>5.00～8.00	+7.0	+7.0	+7.0	+8.0	+8.0	+8.0

1050 Aluminum Strip Length Tolerances

The length tolerance of 1050 aluminum strip is generally ±5mm to ±15mm, depending on the length range:

≤1000mm: ±5mm
1000mm～2000mm: ±8mm
2000mm～3000mm: ±10mm
>3000mm: ±12mm～±15mm

Features of 1050 Aluminum Strip

Corrosion resistance: It forms a natural protective oxide layer, making it highly suitable for chemical and food-grade environments.
Conductivity: Its electrical conductivity is approximately 59.5% IACS (International Annealed Copper Standard), making it a cost-effective alternative to copper.
Formability: Its high ductility allows it to be easily bent, stamped, or deep drawn without cracking.
Weldability: Very suitable for gas welding and arc welding, but it has poor machinability (it tends to stick to cutting tools).
Heat treatment: It cannot be strengthened through heat treatment and can only be hardened by cold working (such as H14 and H18 tempers).

1050 Aluminium Strip Chemical Composition

Element	Al	Si	Fe	Mg	Zn	Mn	Ti	Cu	V
Standard Value	≥99.5	0.0431	0.203	0.0013	0.0093	0.0104	0.0200	0.0022	0.0039

1050 Aluminum Strip Mechanical Properties

Temper	Anti –tensile strength N/m㎡	Elongation rate(%)	Dimension Control	surface
1050-O	78Mpa (8Ksi -12Ksi)	35 (above 2.5 Ksi)	Qualified	Qualified
1050-H12	95Mpa (11Ksi - 16Ksi)	18 (above 9 Ksi)	Qualified	Qualified
1050-H14 / H24	123Map (12Ksi - 17Ksi)	7 (above 9 Ksi)	Qualified	Qualified
1050-H18	140 Map (above 16Ksi)	4 (above 10Ksi)	Qualified	Qualified

Physical Properties of 1050 Aluminum Characteristics

Density: 2.71
Melting Point 640 degree,
Modulus of Elasticity 73Gpa,
Thermal Conductivity 121 – 193 W/M.k,
Thermal Expansion 21.1 x 10-6/K)
Conductivity Requirement: 61%

Applications of 1050 Aluminum Strip

Optimal Application Scenarios for 1050 Aluminum Strip

Application Field	Specific Applications	Description
Electrical and Electronics	Transformer windings, cable shielding, electronic component housings, heat sinks	1050 aluminum strip has excellent electrical and thermal conductivity (approx. 59% IACS), making it ideal for electrical components and electronic devices requiring high electrical performance.
Architectural Decoration	Building curtain walls, door and window decoration, ceilings, decorative lines	With good weather resistance, workability, and aesthetics, 1050 aluminum strip is suitable for decorative architectural components requiring both appearance and durability. Anodized surfaces are visually appealing.
Packaging Containers	Food packaging, pharmaceutical packaging, cosmetic packaging	With good ductility, corrosion resistance, and non-toxicity, it is suitable for deep drawing and stretching processes, widely used in easy-open ends, sealing liners, inner foil, and sheets.
Light Industry Manufacturing	Cookware, lighting, signage, ornaments	Lightweight (approx. 2.71 g/cm³), excellent formability, and low cost make it suitable for mass production of light industrial products, especially in applications requiring bending and stamping.

Electrical & Electronics Industry

With stable and reliable electrical conductivity (approximately 59–61% IACS), 1050 conductive aluminum strip is widely used in electrical equipment as a lightweight and low-cost alternative to copper.

Transformer Aluminum Strip: Lightweight and flexible, easy for continuous winding; commonly used for internal windings of dry-type transformers and reactors.
Aluminum Strip for Cable Shielding: Processed into ultra-thin aluminum strips and wrapped around communication and power cables for electromagnetic shielding and interference resistance.
Aluminum Busbar Strip: Used in low-voltage distribution systems and electrical connection components, balancing conductivity efficiency and cost-effectiveness.
Capacitor Aluminum Foil: High-purity 1050 aluminum is suitable as electrode material for electrolytic capacitors.

Lighting & Decoration

1050 aluminum strip has a high surface finish and can be polished or anodized (Anodized Aluminum Strip), offering both decorative appeal and weather resistance.

Aluminum Reflector Strip: Widely used in industrial and commercial lighting systems to improve light utilization efficiency.
Aluminum Strip for Signage: Corrosion-resistant and weather-resistant, suitable for outdoor road signs and traffic signage.
Architectural Aluminum Strip: Used for curtain wall trims, interior decorative strips, and formed components, especially suitable for applications requiring high formability.

Food & Chemical Industry

1050 aluminum strip meets food-grade aluminum requirements, is non-toxic, and resistant to chemical corrosion, making it suitable for direct contact with food and chemical media.

Food Grade Aluminum Strip: Used for food containers, easy-open lids, and pharmaceutical packaging materials.
Aluminum Cookware: Suitable for spinning and deep drawing, used for pots, kettles, and hollow utensils.
Chemical storage tanks and pipelines: Used in process equipment requiring high chemical stability and corrosion resistance.

Thermal Management Applications

Benefiting from good thermal conductivity, 1050 aluminum strip has a high thermal conductivity (approximately 210–222 W/m·K) and performs reliably in thermal management systems.

Aluminum Strip for Heat Sink: Widely used in heat dissipation structures of electronic products and electrical equipment.
Heat Exchanger Aluminum Strip: Used for fins and heat exchange plates in HVAC systems and refrigeration equipment.

Special Industrial Applications

Aluminum Nose Wire Strip: Annealed (O temper) 1050 aluminum strip is soft and highly formable, commonly used for medical and protective face masks.
Battery Aluminum Connector Strip: Applied in pouch batteries and energy storage system components.
Aluminum Strip for Cosmetic Packaging: Excellent surface quality, suitable for high-end caps, liners, and decorative components.

Advantages and Limitations of 1050 Aluminum Strip

Advantages: High corrosion resistance, excellent formability (easy stamping, drawing, bending), good weldability (resistance welding, TIG welding), relatively low cost
Limitations: Low strength, cannot be strengthened by heat treatment, poor machinability

1050 Aluminum Strip vs. Other Aluminum Alloy Strips

1050 Aluminum Strip vs. 1060 Aluminum Strip

Both 1050 and 1060 aluminum strips belong to the pure aluminum series and have similar performance. 1060 aluminum has an aluminum content of ≥99.6% and slightly better electrical conductivity. In modern applications, 1060 aluminum strip is gradually replacing 1050 aluminum strip, but 1050 aluminum strip still maintains advantages in certain specific fields.

Property	1050 Aluminum Strip	1060 Aluminum Strip
Aluminum Content	≥99.5%	≥99.6%
Tensile Strength	95–125 MPa	100–130 MPa
Electrical Conductivity	Approx. 59% IACS	Approx. 61% IACS
Corrosion Resistance	Good	Slightly better
Processability	Excellent	Good
Price	5–10% lower	Benchmark

Application Differences:

1050 Aluminum Strip: More suitable for cost-sensitive applications requiring bending and stamping, such as food packaging containers, signage, and general decorative materials.
1060 Aluminum Strip: More suitable for applications with high electrical and thermal conductivity requirements, such as cable trays, heat sinks, electronic housings, and high-precision components.

1050 Aluminum Strip vs. 3003 Aluminum Strip

Property	1050 Aluminum Strip	3003 Aluminum Strip
Alloy Type	Pure Aluminum	Aluminum-Manganese Alloy
Tensile Strength	95–125 MPa	140–180 MPa
Corrosion Resistance	Good	Excellent
Processability	Excellent (good ductility)	Good (high work hardening rate)
Weldability	Good	Excellent
Price	10–15% lower	Benchmark

Application Differences:

1050 Aluminum Strip: Suitable for applications where high strength is not required, but good processability and cost-effectiveness are needed, such as food packaging, decorative materials, and general structural components.
3003 Aluminum Strip: Suitable for applications requiring higher strength and good corrosion resistance, such as building curtain walls, chemical equipment, automotive parts, and pressure vessels.

1050 Aluminum Strip vs. Other Alloy Strips: A Comprehensive Comparison

Comparison with 5052 Aluminum Strip

5052 aluminum strip is an aluminum-magnesium alloy containing approximately 2.5% magnesium, offering higher strength and hardness. Its tensile strength can reach 210–250 MPa, much higher than that of 1050 aluminum strip. In addition, 5052 aluminum strip has superior corrosion resistance in marine environments. However, it is also more expensive and harder to process.

Comparison with 8011 Aluminum Strip

8011 aluminum strip is an aluminum-silicon alloy containing about 1% silicon. It is characterized by good deep-drawing performance and moderate strength. Compared with 1050 aluminum strip, 8011 offers slightly higher strength and better deep-drawability, but has slightly lower electrical and thermal conductivity.

Comparison with 6061 Aluminum Strip

6061 aluminum strip is an aluminum-magnesium-silicon alloy, containing approximately 1% magnesium and 0.6% silicon. It has high strength and good corrosion resistance, and can be strengthened by heat treatment. The tensile strength of 6061 aluminum strip can reach 260–310 MPa, much higher than that of 1050 aluminum strip.

Alloy	Strength	Formability	Conductivity	Common Use
1050	Low	Excellent	Excellent	Forming, reflectors
3003	Medium	Very good	Good	General sheet metal
6061	High	Fair	Fair	Structural parts

1050 aluminum is selected for ease of forming and good electrical and thermal performance rather than for load-bearing applications.

How to Select and Substitute 1050 Aluminum Strip

1050 aluminum strip is primarily chosen for its high purity, excellent formability, and corrosion resistance. If its strength is insufficient, 3003 aluminum (with manganese, offering better strength and corrosion resistance) or 5052 aluminum (with magnesium, higher strength, and better fatigue resistance) can be considered.

For professional or stringent procurement requirements, it is recommended to provide the manufacturer directly with your specific application, required specifications (thickness, width, length), temper (such as O or H14), and any special surface treatment requirements (such as anodizing or coating) in order to obtain accurate technical data and quotations.

1050 Aluminum Strip Selection & Purchasing Guide

Selection Recommendations

Prioritize 1050 aluminum strip when high electrical and thermal conductivity and excellent processability are required, and strength is not a major concern.

For applications that require higher strength and corrosion resistance, consider alternatives such as 3003 or 5052 aluminum strips.

For applications needing good deep-drawing properties, consider using 8011 aluminum strip.

For high-strength and good workability requirements, 6061 aluminum strip is a better choice.

Specification Selection

Choose suitable thickness and width specifications based on application requirements to avoid overdesign and increased costs.

For deep drawing or stretching applications, annealed (O temper) 1050 aluminum strip with a thickness range of 0.2mm–0.8mm is recommended.

For applications requiring certain rigidity, H14 or H24 temper 1050 aluminum strip with a thickness range of 0.5mm–3.0mm is recommended.

Processing of 1050 Aluminum Strip

1050 aluminum strip offers various processing options, including bending, uncoiling, welding, punching, and cutting. These processing steps ensure that 1050 aluminum strip can meet diverse industrial application requirements.

Production Process

The production process of 1050 aluminum strip begins with casting and rolling of pure aluminum or aluminum alloys into hot-rolled or cold-rolled aluminum coils. These raw materials are further processed through cold rolling mills to form aluminum strips of different thicknesses and widths. The cold rolling process gradually reduces the thickness of the aluminum coils through multiple compression steps, ensuring surface quality and flatness.

Cutting and Slitting

After cold rolling, the aluminum coils are longitudinally cut using a slitting machine according to different application needs. The slitting process cuts the wide aluminum coils into the desired width of 1050 aluminum strip. This stage is critical as it determines the final dimensions and edge quality of the 1050 aluminum strip. The slitted 1050 aluminum strip can be further processed or used directly for production, depending on the application.

Secondary Processing

After slitting, 1050 aluminum strip can undergo various secondary processing services.

Bending processes allow the 1050 aluminum strip to be bent into different shapes for manufacturing various structural components.
Uncoiling is the process of unfolding coiled aluminum strips into a flat state for further processing or use.
Welding techniques can connect aluminum strips together to form larger components or structures.
Punching can create specific shapes or sizes of holes in the 1050 aluminum strip for assembly or other functional requirements.
Cutting processes allow the 1050 aluminum strip to be trimmed to specific lengths or shapes to meet different product design needs.

Through these various processing services, 1050 aluminum strip can adapt to a wide range of applications, from construction structures to electronic devices and industrial machinery parts, showcasing excellent machinability and flexibility.

How to Prevent Oxidation of 1050 Aluminum Coils?

1050 aluminum coils have some resistance to corrosion, but they are still prone to oxidation under improper conditions, especially in water or rain. To effectively prevent oxidation of 1050 aluminum coils, the following measures can be taken:

Storage Environment Control

Dry: Ensure the storage environment is kept dry to prevent moisture accumulation, which helps reduce oxidation on the surface of 1050 aluminum coils.

Bright and Ventilated: Choose a bright and well-ventilated storage location to help keep the aluminum coils dry and reduce the risk of oxidation.

Non-Corrosive Atmosphere: Avoid storing aluminum coils in environments with corrosive gases, such as industrial areas or near chemicals.

Avoid Rain and Snow

Prevent Leakage: 1050 aluminum coils should be protected from exposure to rain and snow, especially during transportation and storage. Ensure packaging is intact to prevent water and snow infiltration.

Roll Oil Management

Control Moisture Content: Enhance roll oil management to ensure the moisture content is below 0.4%. This helps reduce the likelihood of surface oxidation of 1050 aluminum coils.

Packaging Measures

Sealed Packaging: Use sealed packaging to protect aluminum coils from direct contact with moisture and air.

Desiccant Usage: Place appropriate amounts of desiccants in each coil of aluminum to further prevent moisture ingress into the packaging.

Transportation Precautions

Temperature and Humidity Management: When transporting from low-temperature areas to high-temperature and high-humidity areas, do not immediately open the sealed packaging of 1050 aluminum coils to prevent condensation caused by temperature differences.

Packaging Box Conditions: Ensure the moisture content of the wooden cores and boards in the packaging boxes does not exceed 18%, and that the temperature during packaging does not exceed 45°C to prevent dampness in the packaging material or overheating of the aluminum coils.

By taking these measures, oxidation of 1050 aluminum coils can be effectively reduced, maintaining surface quality and meeting customer usage requirements.

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