1050

L-3051 / Al99.5 / 1050 / H18

Chemical Properties % Value
Silicon (Si)0,50 - 0,90
Manganese (Mn)0,00 - 0,50
Magnesium (Mg)0,20 - 0,80
Copper (Cu)0,00 - 0,50
Titanium (Ti)0,00 - 0,30
Iron (Fe)0,00 - 0,40
Zinc (Zn)0,00 - 0,50
Aluminium (Al)Balance
Physical Properties Value
Density2.705 g/cm³
Melting Point646 °C
Thermal Expansion22.8 µm/m.°C
Modulus of Elasticity68 GPa
Thermal Conductivity155 W/m.K
Electrical Resistivity61% IACS
Mechanical Properties Value
Proof Strength145 MPa
Yield Strength160 MPa
Shear Strength83.0 MPa
Elongation A50 mm7.0 %
Hardness43 HB

The 1050 H18 aluminum alloy is known for its excellent machinability, good corrosion resistance, and low mechanical strength. The H18 temper represents a more strengthened form of the alloy, providing it with medium durability. These properties make 1050 H18 ideal for applications in electrical transmission, heat transfer, decorative uses, and light-duty industrial applications. Additionally, 1050 H18 aluminum is suitable for anodizing, which enhances its surface appearance while increasing its corrosion resistance, making it suitable for long-term outdoor use.

In terms of weldability, 1050 H18 aluminum alloy can be easily welded. Its low hardness makes the welding process straightforward and ensures reliable weld connections. However, proper welding techniques and heat treatment must be applied to achieve the best results. Regarding bending, 1050 H18 aluminum is highly flexible and can be easily bent and shaped. This makes it ideal for various forming processes and enhances its versatility in applications.

The corrosion resistance of 1050 H18 is excellent, especially in atmospheric conditions, and it provides good resistance to corrosive environments such as seawater. This makes 1050 H18 ideal for use in maritime and outdoor structural applications. However, 1050 H18 aluminum alloy may not perform well in high-vibration environments due to its lower mechanical strength, which makes it less suitable for dynamic applications where more robust alloys are required.

The advantages of 1050 H18 aluminum alloy include high machinability, anodizing compatibility, corrosion resistance, and weldability. However, its low mechanical strength may limit its use in applications that require high load-bearing capacity. Additionally, its performance in high-vibration environments is limited. Despite these drawbacks, 1050 H18 is an excellent choice for lightweight structures and aesthetic applications.

 

ALLOY DESIGNATIONS
 
1050 H18 has the following standard designations and specifications.
 
Plates per; 1050 H18, ASTM B209, L-3051, UNS A91050, WNR 3.0255, ISO Al99.5,

Choosing Factors for 1050 H18

  • Strength: Average
  • Machining: Weak
  • Weldability: Very good
  • Formability: Okay
  • Corrosion Resistance: Very good
  • Heat Treating: Yes
 

Some Well-Known Applications for 1050 H18

It is used in pyrotechnic equipment, architectural applications,

Cable coverings in the construction industry,

And also as a component of insulation boards.

 

SUPPLIED FORMS
 
1050 H18 is produced/supplied in the plate form.
  • Plate
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 0.4 up to & incl. 0.8 370 MPa 430 MPa %6
Over 0.8 up to & incl. 1.6 380 MPa 440 MPa %7
Over 1,6 up to & incl. 6,0 390 MPa 440 MPa %7