ErgalBars

Bar Ergal
EN AW 7075

Mainly used in the automotive, aerospace, and military industries, and for high-strength structural parts in the mechanical engineering sector.

Alloy 7075 is the alloy with the best mechanical properties. Its main alloying element is zinc, which gives this alloy an excellent hardness and fatigue resistance.

technical characteristics

  • Workability: sufficient
  • Hard anodisation: good
  • Weldability: good

Availability

Available extruded in the physical state T6, in diameters ranging from 30 to 400 mm. Also available in cast and turned T6 billets up to 500 mm.

General information

Chemical composition (% weight)

SiFeCuMnMgCrNiZnTiZrPbBi
1.22.10.185.1
≤0.40≤0.502.0≤0.302.90.286.1≤0.20

 

Physical properties (state T651, indicative values)

  • Specific weight: 2.7 g/dm3
  • Density: 2.80 kg/dm3
  • Elastic modulus: 72000 MPa
  • Thermal expansion coefficient: 23.5 (x10-6/°C)
  • Thermal conductivity at 20 °C: 130 (W/mk)
  • Electrical resistivity at 20 °C: 0.052 (Ω mm2/m)

mechanical properties

Extruded 

StatusRm MPaRp 0.2 MPaA%HBW
T65605007150

Drawn

StatusRm MPaRp 0.2 MPaA%HBW
T65404857150