Is 1050 aluminum tube suitable for casting

Jan 26, 2026

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1050 Aluminum Tube – Properties, Specifications & Applications

If you are looking for a lightweight, corrosion-resistant aluminum tube with excellent formability and conductivity, GNEE offers high-quality 1050 aluminum tube solutions in multiple sizes and tempers. Contact GNEE today to get technical support, fast quotations, and customized aluminum tube products.

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Overview of 1050 Aluminum Tube

1050 aluminum tube is an industrially pure aluminum alloy containing at least 99.5% aluminum. It is widely recognized for its excellent corrosion resistance, high electrical and thermal conductivity, and outstanding ductility. Although its mechanical strength is relatively low, 1050 aluminum tube performs exceptionally well in forming and processing applications.

 

This alloy is non-heat-treatable, meaning its strength cannot be increased through heat treatment. However, it can easily withstand rolling, bending, stretching, and other pressure-forming processes.

 

Key Characteristics of 1050 Aluminum Tube

  • Excellent corrosion resistance
  • High electrical conductivity
  • High thermal conductivity
  • Superior plasticity and formability
  • Lightweight and easy to process
  • Stable performance in industrial environments

 

Chemical Composition of 1050 Aluminum Tube

Element Content (%)
Aluminum (Al) Balance
Iron (Fe) 0.00 – 0.40
Silicon (Si) 0.00 – 0.25
Copper (Cu) 0.00 – 0.05
Manganese (Mn) 0.00 – 0.05
Magnesium (Mg) 0.00 – 0.05
Titanium (Ti) 0.00 – 0.05
Zinc (Zn) 0.00 – 0.07

 

Mechanical Properties of Aluminum Alloy 1050 Tube

Property Typical Value
Tensile Strength 100 MPa
Proof Stress 85 MPa
Shear Strength 60 MPa
Elongation 12%
Brinell Hardness 34 HB

 

Physical Properties of 1050 Aluminum Tube

Property Value
Density 2.71 g/cm³
Melting Point 650 °C
Modulus of Elasticity 71 GPa
Thermal Expansion 24 × 10⁻⁶ /K
Electrical Resistivity 0.0282 × 10⁻⁶ Ω·m
Thermal Conductivity 222 W/m·K

 

Alloy Designations of 1050 Aluminum Tube

The following standards and designations are equivalent to aluminum alloy 1050:

AA1050A

A91050

S1B

 

Welding Performance of 1050 Aluminum Tube

1050 aluminum tube offers good weldability when proper filler materials are selected:

Filler 1100: Welding with the same or similar alloys

Filler 5356: Welding with 5083, 5086, or 7XXX series alloys

Filler 4043: Welding with other aluminum alloys

Gas welding, arc welding, and resistance welding are all suitable for this alloy.

 

Fabrication Performance of 1050 Aluminum Tube

Processing Method Performance
Machinability Poor
Cold Workability Good
Gas Weldability Good
Arc Weldability Good
Resistance Weldability Good
Solderability Good
Brazability Good

 

Temper Types of 1050 Aluminum Tube

The most commonly used temper for 1050 aluminum tube is H14, which indicates partial work hardening to a half-hard condition without annealing after rolling. This temper provides a good balance between strength and formability.

 

Standard Size Range of 1050 Aluminum Tube

Item Range
Outer Diameter 6 mm – 300 mm
Wall Thickness 0.5 mm – 20 mm
Length Up to 6000 mm
Surface Finish Mill finish, anodized, polished, PVC coated

Custom sizes and special finishes are available upon request.

1050 Aluminum Tube
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Applications of 1050 Aluminum Tube

1050 aluminum tube is commonly used in industries that require high corrosion resistance and conductivity, including:

  • Food processing equipment
  • Chemical processing plants
  • Architectural and decorative structures
  • Lighting industry components
  • Electrical cable sheathing
  • Renewable and new energy systems

 

Supplied Forms of 1050 Aluminum Tube

GNEE supplies 1050 aluminum tubes in the following forms:

Seamless aluminum tube

Extruded aluminum tube

Additional surface treatments and protective coatings are available according to customer requirements.

 

Frequently Asked Questions About 1050 Aluminum Tube

What is the difference between 1050 and 1100 aluminum?
1050 aluminum contains 99.5% aluminum, while 1100 aluminum contains approximately 99.6% aluminum. Both alloys provide excellent corrosion resistance and weldability, with 1100 offering slightly higher purity.

Is 1050 aluminum tube suitable for casting?
No. Aluminum alloy 1050 is typically produced through extrusion or rolling rather than casting. It is widely used in electrical and chemical industries due to its conductivity and workability.

How does 1050 aluminum compare to 3003 aluminum?
Compared with 3003 aluminum, 1050 aluminum offers better corrosion resistance in natural seawater but lower mechanical strength.

 

Summary

1050 aluminum tube is an ideal choice for applications requiring excellent corrosion resistance, high conductivity, and superior formability. GNEE provides reliable 1050 aluminum tube products with flexible sizing, stable quality, and professional technical support.

Contact GNEE today to request a quotation, technical data sheet, or customized aluminum tube solution.

Contact now

1050 Aluminum Tube
1050 aluminum tube