2017 aluminium alloy

2017 Aluminium alloy has copper, iron, magnesium, manganese and silicon as main alloying elements. ^[1]

Chemical composition

Element [1]	Content (%)
Aluminum	91.5 - 95.5
Copper	3.5 - 4.5
Iron	0.7 max
Manganese	0.4 - 1
Magnesium	0.4 - 0.8
Silicon	0.2 - 0.8
Zinc	0.25 max
Titanium	0.15 max
Chromium	0.1 max
Remainder (each)	0.05 max
Remainder (total)	0.15 max

Mechanical properties

Properties [1]	Values
Tensile strength (annealed)	179 MPa
Yield strength (annealed)	69 MPa
Elongation (annealed)	22%
Elastic modulus	72 GPa
Shear strength (annealed)	124 MPa

Thermal properties

Thermal Properties [2]	Values
CTE, linear 68°F	23.6 μm/m-°C
Specific Heat Capacity	0.88 J/g-°C
Thermal Conductivity	134 W/m-K
Melting Point	513 - 641 °C

Aluminium alloy table