Aluminum Alloy 3105

Aluminum Alloy 3105 is a widely used wrought aluminum alloy from the 3000 series, mainly strengthened by manganese and small amounts of magnesium. This alloy contains approximately 98% aluminum and is designed to provide a balanced combination of moderate strength, excellent corrosion resistance, good weldability, and superior formability. Compared with pure aluminum grades such as 1100, Aluminum 3105 offers improved mechanical performance while maintaining excellent processing characteristics.

Aluminum Alloy 3105 is commercially available in various forms including aluminum sheets, coils, strips, plates, and pre-painted aluminum products. It is widely supplied in different tempers such as H12, H14, H16, H18, H24, and H26 depending on the required hardness, strength, and forming capability. The alloy is commonly selected for applications where lightweight construction, corrosion resistance, surface finishing, and easy fabrication are important factors. The main applications of Aluminum Alloy 3105 include construction materials, roofing sheets, wall cladding, gutters, downspouts, mobile homes, signage panels, HVAC components, appliance parts, bottle caps, packaging materials, and general sheet metal fabrication. Its excellent paintability and surface quality make it suitable for color-coated aluminum products used in architectural and decorative industries. Aluminum 3105 provides an economical solution for manufacturers looking for reliable performance, durability, and easy manufacturing processes.

Commercially Available Types of Aluminum Alloy 3105

Aluminum 3105 Sheet
Aluminum 3105 Plate
Aluminum 3105 Coil
Aluminum 3105 Strip
Pre-Painted Aluminum 3105 Coil
Color Coated Aluminum 3105 Sheet
Aluminum 3105 H12, H14, H16, H18 Temper
Aluminum 3105 H24 and H26 Temper
Mill Finish Aluminum 3105 Products
Customized Sizes According to Customer Requirements

Technical Specifications of Aluminum Alloy 3105

Property	Specification
Alloy Type	Aluminum Alloy 3105 (3000 Series)
Aluminum Content	Approx. 98%
Main Alloying Elements	Manganese (Mn), Magnesium (Mg)
Alloy Standard	ASTM B209 / EN AW-3105
Material Form	Sheet, Plate, Coil, Strip
Density	Approx. 2.81 g/cm³
Tensile Strength	Approx. 140–180 MPa (Depending on Temper)
Yield Strength	Approx. 110–160 MPa
Melting Range	Approx. 630–655 °C
Corrosion Resistance	Excellent Atmospheric Corrosion Resistance
Weldability	Very Good
Formability	Excellent Cold Forming Capability

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FAQ Aluminum Alloy 3105

Aluminum Alloy 3105 is mainly used for roofing sheets, wall panels, gutters, signage, HVAC components, mobile homes, appliance parts, and general sheet metal applications where corrosion resistance and formability are required.

The main advantages include excellent corrosion resistance, lightweight structure, good weldability, high formability, good surface finishing capability, and better strength compared with pure aluminum grades.

Aluminum 3105 is available as sheets, plates, coils, strips, painted coils, and customized industrial sizes according to customer requirements.

Yes. Due to its strong corrosion resistance and durability, Aluminum 3105 is widely used in outdoor construction products such as roofing, siding, gutters, and architectural panels.

Common tempers include H12, H14, H16, H18, H24, and H26, which provide different levels of hardness and mechanical properties.

Yes. IranCorps can supply Aluminum Alloy 3105 products in different forms including sheets, coils, and plates through reliable suppliers. We support international B2B customers with competitive sourcing, export coordination, and customized supply solutions based on project requirements.