Representative applications include aerospace fixtures, electrical fixtures, communications, is also widely used in automated machinery parts, precision machining, mold manufacturing, electronics and precision instruments, SMT, PC board solder vehicles and so on. 
 Chemical composition (%): Cu: 0.15 ~ 0.4 Mn: 0.15 Mg: 0.8 ~ 1.2 Zn: 0.25 Cr: 0.04 ~ 0.35 Ti: 0.15 Si: 0.4 ~ 0.8 Fe: 0.7 Al: margin 
 6061 Aluminum Alloy: 6061 The ultimate tensile strength of 124 MPa yield strength of 55.2 MPa tensile elongation of 25.0% bending elasticity 68.9 GPa ultimate strength of 228 MPa Bearing Yield Strength 103 MPa Poisson's ratio of fatigue strength of 62.1 MPa 0.330