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Mechanical Properties
Tensile Strength (σb): ≥ 290 MPa
Elongation Stress (σp0.2): ≥ 240 MPa
Elongation Rate: ≥ 10%
Note: Mechanical properties of seamless rob
Specimen size: diameter ≥ 70mm
Heat Treatment Process
Rapid annealing: heating temperature of 350-410°C; depending on the effective thickness of the material, the holding time is between 30-120 minutes; air or water cooling.
High-temperature annealing: heating temperature of 350-500°C; when the finished product thickness is ≥6mm, the holding time is 10-30 minutes, and when it is less than 6mm, heat through air cooling.
Low-temperature annealing: heating temperature of 150-250°C; holding time is 2-3 hours; air or water cooling.Homogenization: at 570 degrees Celsius, holding for 7 hours, air-cooled.Warm Reminder: The density of 6061 aluminum alloy is 2800 kg/m^3.