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T8表示铝材在固溶处理、冷作硬化与人工时效后的稳定状态。应用于冷作硬化以提高其强度性能的材料,或者应用于那些矫平或矫直所造成的冷作硬化效应在有关技术规范或标准中得到认可的制品。 T81:固溶处理、冷作硬化,然后人工时效。如2024-T81、2219-T81、6201-T81。 T83:固溶处理、冷作硬化,然后人工时效。冷作变形量约3%。此种状态只适用
T8 said aluminum in the solution treatment, cold work hardening and artificial aging after the state. Materials which are applied to work hardened to enhance their strength properties or to those products which have been approved in the relevant technical specifications or standards for work hardening due to leveling or straightening. T81: solution treatment, cold hardening, and then artificial aging. Such as 2024-T81, 2219-T81, and 6201-T81. T83: solution treatment, cold hardening, and then artificial aging. Cold deformation of about 3%. This status is only applicable