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Typically, after welding, the properties near the weld are those of 6061-T4, a loss of strength of around 40%. The material can be re-heat-treated to restore near -T6 temper for the whole piece. After welding, the material can naturally age and restore some of its strength as well.
Elastic properties describe the reversible deformation (elastic response) of a material to an applied stress. They are a subset of the material properties that provide a quantitative description of the characteristics of a material, like its strength. Material properties are most often characterized by a set of numerical parameters called moduli.
Typical material properties for 6060 aluminum alloy include: [2] Density: 2.710 g/cm 3, or 169 lb/ft 3. Young's modulus: 70 GPa, or 10 Msi, or 303 EMEC; Ultimate tensile strength: 140 to 230 MPa, or 20 to 33 ksi. Yield strength: 70 to 180 MPa, or 10 to 26 ksi. Thermal Expansion: 23.4 μm/m-K. Solidus: 610 °C or 1130 °F.
Aluminium alloys typically have an elastic modulus of about 70 GPa, which is about one-third of the elastic modulus of steel alloys. Therefore, for a given load, a component or unit made of an aluminium alloy will experience a greater deformation in the elastic regime than a steel part of identical size and shape.
6082 aluminium alloy is an alloy in the wrought aluminium-magnesium-silicon family (6000 or 6xxx series). It is one of the more popular alloys in its series (alongside alloys 6005, 6061, and 6063), although it is not strongly featured in ASTM (North American) standards.
Aluminium–copper alloys (AlCu) are aluminium alloys that consist largely of aluminium (Al) and traces of copper (Cu) as the main alloying elements.Important grades also contain additives of magnesium, iron, nickel and silicon (AlCu(Mg, Fe, Ni, Si)), often manganese is also included to increase strength (see aluminium-manganese alloys).
Typical material properties for 6162 aluminum alloy include: [2] Density: 2.70 g/cm 3, or 169 lb/ft 3. Young's modulus: 70 GPa, or 10 Msi. Ultimate tensile strength: 280 to 290 MPa, or 41 to 42 ksi. Yield strength: 260 to 270 MPa, or 38 to 39 ksi. Thermal Expansion: 21.9 μm/m-K.
By comparison, annealed type 316 stainless steel has a density of 8000 kg/m 3, modulus of 193 GPa, and tensile strength of 570 MPa. [23] Tempered 6061 aluminium alloy has a density of 2700 kg/m 3, modulus of 69 GPa, and tensile strength of 310 MPa, respectively. [24] Ti-6Al-4V standard specifications include: [25] [26]