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1050

ASTM B211 / Al99.5 / 1050 / O

Chemical Properties % Value
Silicon (Si)0,00 - 0,25
Manganese (Mn)0,00 - 0,05
Magnesium (Mg)0,00 - 0,05
Copper (Cu)0,00 - 0,05
Titanium (Ti)0,00 - 0,03
Iron (Fe)0,00 - 0,40
Zinc (Zn)0,00 - 0,05
Aluminium (Al)Balance
Physical Properties Value
Density2.705 g/cm³
Melting Point646 °C
Thermal Expansion23.6 µm/m.°C
Modulus of Elasticity73 GPa
Thermal Conductivity155 W/m.K
Electrical Resistivity%40 IACS
Mechanical Properties Value
Proof Strength28 MPa
Yield Strength78 MPa
Shear Strength62 MPa
Elongation A50 mm%39
Hardness21

1050 O aluminum alloy is part of the pure aluminum series, containing 99.5% pure aluminum. This alloy offers high formability, excellent corrosion resistance, and good electrical conductivity due to its soft and flexible nature. The O temper signifies that the material is annealed, making it very soft and easy to work with. These characteristics make it a popular choice for applications requiring low strength and lightweight structures.

1050 O aluminum is commonly used in kitchen utensils, chemical storage tanks, sheet metal works, and components for electrical equipment. It is suitable for anodizing, forming a smooth oxide layer that enhances both its aesthetic appeal and corrosion resistance. The alloy also demonstrates excellent weldability, allowing it to be joined easily with standard welding methods while retaining its structural integrity after welding.

In terms of bending and forming, 1050 O aluminum alloy is highly flexible and suitable for complex designs and precision forming processes. However, its low strength limits its application in high-vibration environments. It performs best in applications with light loads and low-stress conditions. While its fatigue resistance is relatively low, it provides long-lasting durability when used correctly.

Corrosion resistance is one of the most prominent advantages of 1050 O aluminum alloy. It exhibits excellent durability in humid, chemical, and marine environments. However, its low mechanical strength and limited performance in high-strength projects are notable drawbacks. Advantages include high formability, good weldability, and corrosion resistance, while disadvantages include low strength and limited fatigue resistance. These attributes make 1050 O an ideal material for applications requiring lightweight, durability, and easy machinability.

 

ALLOY DESIGNATIONS
 
1050 O has the following standard designations and specifications.
 
Sheets per; 1050 O, ASTM B209, L-3051, UNS A91050, WNR 3.0255, ISO Al99.5, BS 1B
 
Extruded Round/Flat Bar, Wire and Tubes per; 1050 O, ASTM B221, ASTM B491, WNR 3.0255, ISO Al99.5
 
Cold Drawn Round/Flat Bar, Wire and Tubes per; 1050 O, ASTM B211WNR 3.0255, ISO Al99.5
 

Choosing Factors for 1050 O

  • Strength: Moderate
  • Machining: Poor
  • Weldability: Very good
  • Formability: Good
  • Corrosion Resistance: Very good
  • Heat Treating: Yes
 

Some Well-Known Applications for 1050 O

It is used in chemical process plant equipment,

In heat sinks in the automotive industry,

It is also used in cable sheathing materials.

 

SUPPLIED FORMS
 
1050 O is produced/supplied in sheet, round/flat bar and tube/profile forms.
  • Sheet
  • Round/Flat Bar
  • Tube/Profile
DELIVERY: