2017 is a typical hard aluminum alloy in aluminum-copper-magnesium system. Its composition is reasonable and its overall performance is good. Many countries produce this alloy, is the largest amount of hard aluminum. The alloy is characterized by: high strength, a certain degree of heat resistance, can be used as working parts below 150 ° C. At temperatures above 125 ° C, the strength of the 2017 alloy is higher than that of the 7075 alloy. The hot formability, annealed and newly quenched state are good formability, heat treatment to strengthen the effect of significant, but the heat treatment process demanding. Corrosion resistance is poor, but with pure aluminum coating can be effectively protected; easy to crack when welding, but the use of special processes can be welded, you can riveting. Widely used in aircraft structures, rivets, truck wheels, propeller components and other structures.
2017-T3 aluminum is a type of 2017 aluminum. It is furnished in the T3 temper. To achieve this temper, the metal is solution heat-treated, strain hardened, then naturally aged. It has the highest strength and second highest ductility compared to the other variants of 2017 aluminum.
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