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1050 Aluminum Sheet/Plate

Comprehensive Guide to 1050 Aluminum Sheet/Plate

1050 aluminum is a commercially pure aluminum alloy (99.5% min aluminum content). It offers exceptional corrosion resistance, high thermal/electrical conductivity, and excellent workability. Its softness and ductility make it ideal for forming, bending, and welding applications. Common tempers include H14 (work-hardened), H18 (fully hard), and O (annealed).

  • Thickness: 0.1–500 mm
  • Width: 100–2650 mm
  • Length: Up to 16,000 mm
  • Temper: F, O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H111, H112
  • Certificated：ISO9001:2015, CE, ROHS

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Description

Description of 1050 Aluminum Sheet/Plate

1050 aluminum alloy is a “commercially pure” wrought aluminum from the 1000 (or 1xxx) series. It contains a minimum of 99.5% aluminum, with small additions of other elements like iron and silicon to slightly enhance its properties. It is not a heat-treatable alloy; its strength is primarily achieved through cold working (e.g., rolling).

Known for its high purity, 1050 aluminum offers an excellent balance of characteristics that make it widely used in various industries. It is particularly recognized for its:

  • High Ductility and Formability: Easily shaped, bent, and formed into intricate designs.
  • Excellent Corrosion Resistance: Highly resistant to atmospheric corrosion, making it suitable for outdoor and moist environments.
  • High Thermal Conductivity: Efficiently transfers heat, making it ideal for heat dissipation.
  • High Electrical Conductivity: Good conductor of electricity.
  • Highly Reflective Finish: Can be polished to achieve a bright, reflective surface.

1050 Aluminum Sheet / Plate Parameters

Parameter Specification
Alloy 1050
Temper O, H12, H14, H18, etc.
Thickness 0.2 mm – 100 mm (custom)
Width up to 2200 mm
Length customized or standard sizes
Surface finish Mill finish / Polished
Standard ASTM B209 / GB/T 3880
Tensile Strength 60–100 MPa (varies by temper)
Elongation ≥ 20%
Density 2.71 g/cm³
Conductivity ~55% IACS

Chemical Composition (wt%)

Element Al Fe Si Cu Mn Mg Zn Ti Others
1050 ≥99.5 ≤0.4 ≤0.25 ≤0.05 ≤0.05 ≤0.05 ≤0.05 ≤0.03 ≤0.15

Mechanical Properties

Temper Tensile Strength (MPa) Yield Strength (MPa) Elongation (%)
O 60–100 30 20–30
H14 105–145 85–120 2–7
H18 ≥135 ≥120 ≥1

Physical Properties

Property Value Unit
Density 2.71 g/cm³
Melting Point 650 °C
Thermal Conductivity 222 W/m·K
Electrical Conductivity 59.5 – 63 % IACS
Electrical Resistivity 0.0282 – 0.029 µΩ·m
Modulus of Elasticity 71 GPa
Thermal Expansion 24 x /K

Advantages of 1050 Aluminum Sheet/Plate

Corrosion Resistance: Resists atmospheric and chemical exposure; ideal for humid/marine environments.

Formability: Easily bent, stamped, or deep-drawn without cracking (especially in O temper).

Conductivity: High thermal (222 W/m·K) and electrical (61% IACS) conductivity.

Lightweight: Density: 2.71 g/cm³ (30% lighter than steel).

Surface Finish: Accepts anodizing, painting, and polishing for aesthetic applications.

Recyclability: 100% recyclable with low environmental impact.

Applications of 1050 Aluminum Sheet / Plate

  1. Electrical Industry: Bus bars, wiring, and transformer windings.
  2. Chemical Industry: Storage tanks, pipelines, and processing equipment.
  3. Food & Beverage: Packaging, utensils, and conveyor systems.
  4. Construction: Roofing, cladding, and decorative panels.
  5. Automotive: Heat shields, lightweight panels, and battery components.
  6. Consumer Goods: Appliance casings, signs, and nameplates.
  7. Electronics: Heat sinks and lithium-ion battery cathode foils.

 

aluminum sheet application

Comparison of Different Aluminum Alloy Sheets

Alloy Series Main Components Key Characteristics Ideal Applications
1xxx Series (e.g., 1060) Pure Al (≥99.6%) Excellent electrical/thermal conductivity, high corrosion resistance, but low strength. Conductive materials, heat sinks, packaging, reflectors.
3xxx Series (e.g., 3003) Al-Mn (1.0% Mn) Superior weather resistance, good weldability, 15%~20% higher strength than pure Al. Building curtain walls, roof panels, marine interiors.
5xxx Series (e.g., 5052) Al-Mg (2.5% Mg) Excellent seawater corrosion resistance, high plasticity, stable toughness at low temperatures. Marine engineering, pressure vessels, shipbuilding.
6xxx Series (e.g., 6061) Al-Mg-Si (1.0% Mg+0.6% Si) Balanced performance, high strength (heat-treatable), good machinability and weldability. Construction frames, automotive parts, aerospace structures.
7xxx Series (e.g., 7075) Al-Zn-Mg-Cu (5.6% Zn) Highest strength (super-hard alloy), but poor corrosion resistance (requires surface treatment). Aerospace components, high-end molds, racing parts.

Key Differences

  • Strength: 5052 > 3003 > 1100 > 1050
  • Corrosion Resistance: 5052 ≈ 1050 > 3003 > 1100
  • Conductivity: 1050 > 1100 > 3003 > 5052
  • Cost: 1050 < 1100 < 3003 < 5052

How to Choose the Right Aluminum Sheet?

✅ For high formability & conductivity → 1050
✅ For better strength + formability → 3003
✅ For corrosion resistance + moderate strength → 5052
✅ For high strength & heat treatability → 6061

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