Aluminium Alloy 3103 H14: a Commercial Alloy

Aluminium alloy 3103 H14 is a commercial alloy. It corresponds to the standard designations and specifications ISO Al Mn1, but it may not be a direct equivalent. The H14 tempered alloy is typically supplied in the form of Sheet.

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Chemical Composition

Alloy 3103 Spec: BS EN 573-3:2009
Chemical Element % Present
Manganese (Mn) 0.90 - 1.50
Iron (Fe) 0.0 - 0.70
Copper (Cu) 0.0 - 0.10
Magnesium (Mg) 0.0 - 0.30
Silicon (Si) 0.0 - 0.50
Zinc (Zn) 0.0 - 0.20
Other (Each) 0.0 - 0.05
Others (Total) 0.0 - 0.15
Chromium (Cr) 0.0 - 0.10
Titanium + Zirconium (Ti+Zr) 0.0 - 0.10
Aluminum (Al) Balance

Properties

Physical Property Value
Density 2.73 g/cm³
Melting Point 655 °C
Thermal Expansion 23.1 x 10-6 /K
Modulus of Elasticity 69.5 GPa
Thermal Conductivity 160 W/m.K
Electrical Resistivity 42 % IACS

 

Sheet - 0.2mm to 6.0mm Spec: BS EN 485-2:2008
Mechanical Property Value
Tensile Strength 140 - 180 MPa
Proof Stress 120 Min MPa
Hardness Brinell 45 HB

Fabrication

  • Gas weldability: very good
  • Arc weldability: very good
  • Brazability: very good
  • Solderability: very good
  • Resistance weldability: good
  • Cold workability: good
  • Machinability: acceptable

This information has been sourced, reviewed and adapted from materials provided by Aalco - Ferrous and Non-Ferrous Metals Stockist.

For more information on this source, please visit Aalco - Ferrous and Non-Ferrous Metals Stockist.

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