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Aluminium 3103

Specifications

  • Commercial: 3103
  • EN: 3103

Alloy Designations

Aluminium alloy 3103 corresponds to the following standard designations and specifications but may not be a direct equivalent: ISO Al Mn1.

Supplied Forms

Alloy 3103-H14 is normally supplied as sheet.

Temper Types

The most common temper for 3103 aluminium is: H14 - work hardened by rolling hald hard, not annealed after rolling.

Fabrication

  • Solderability: Very Good
  • Weldability - Gas: Very Good
  • Weldability - Arc: Very Good
  • Weldability - Resistance: Good
  • Brazability: Very good
  • Workability - Cold: Good
  • Machinability: Acceptable

Weldability

Alloy 3103 has very good weldability

Chemical Compositions

Element % Present
Manganese (Mn) 0.9 - 1.50
Iron (Fe) 0.0 - 0.70
Silicon (Si) 0.0 - 0.50
Magnesium (Mg) 0.0 - 0.30
Zinc (Zn) 0.0 - 0.20
Others (Total) 0.0 - 0.15
Chromium (Cr) 0.0 - 0.10
Copper (Cu) 0.0 - 0.10
Titanium + Zirconium (Ti+Zr) 0.0 - 0.10
Other (Each) 0.0 - 0.05
Aluminium (Al) Balance

Mechanical properties

Property Value
Proof Stress 120 Min MPa
Tensile Strength 140 - 180 MPa
Hardness Brinell 45 HB

Reference data for some physical properties (for guidance only)

Property Value
Density 2.73 Kg/m3
Melting Point 655 °C
Thermal Expansion 23.1 x 10-6 /K
Modulus of Elasticity 69.5 GPa
Thermal Conductivity 1609 W/m.K
Electrical Resistivity 42% IACS

Editor

thyssenkrupp Materials (UK) Ltd
Cox’s Lane
Cradley Heath
West Midlands
B64 5QU

Important Note

Information given in this data sheet about the condition or usability of materials respectively products are no warranty for their properties, but act as a description. The information, we give on for advice, comply to the experiences of the manufacturer as well as our own. We cannot give warranty for the results of processing and application of the products.

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