2017 Aluminium alloy has copper, iron, magnesium, manganese and silicon as main alloying elements.
Chemical composition Element Content (%)Aluminum91.5 - 95.5Copper3.5 - 4.5Iron0.7 maxManganese0.4 - 1Magnesium0.4 - 0.8Silicon0.2 - 0.8Zinc0.25 maxTitanium0.15 maxChromium0.1 maxRemainder (each)0.05 maxRemainder (total)0.15 max
Mechanical properties Properties ValuesTensile strength (annealed)179 MPaYield strength (annealed)69 MPaElongation (annealed)22%Elastic modulus72 GPaShear strength (annealed)124 MPa
Thermal properties Thermal properties ValuesCTE, linear 68°F23.6 μm/m-°CSpecific heat capacity0.88 J/g-°CThermal conductivity134 W/m-KMelting point513 - 641 °C
Aluminium alloy table
References