Corson Alloy NKC164(UNS Alloy No. C64745)

NKC164 Corson Alloy Designed for Electronic Components with High Bend Formability(UNS Alloy No. C64745)



NKC164 has superior characteristics to conventional Corson alloys', keeping a good balance between mechanical strength, electric conductivity and bend formability of the conventional alloys.

Table 1. Chemical Composition of NKC164 (%)

  Cu Ni Si Sn Zn
Typical Balance 1.6 0.4 0.5 0.4

Table 2.Physical Properties of NKC164

Electric conductivity 43 %IACS(@20℃)
Specific resistance 40.1 nΩ ・ m(@20℃)
Thermal conductivity 170 W/mK
Thermal expansion coefficient 17.6 ×10-6/K(20 to 300℃)
Young's modulus 127 GPa
Density 8.87 g/cm3

Table 3. Mechanical Properties of NKC164 (Specifications)

Temper Tensile Strength
0.2% offset Yield Strength
Vickers Hardness
1/2H 560-680 520-670 5min 160-23
H 620-740 580-730 3min 170-240
EH 680-800 640-790 1min 200-270