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High Conductivity Copper Alloy

See highlights and applications with high mechanical strength and high electrical conductivity

High Conductivity Copper Alloy

NKE012
(UNS Alloy No. C14415)
Chemical Cu-0.12Sn New
Highligts High Electrical Conductivity, High Heat Resistance
Applications Connectors, Battery Terminals, Busbar, PV Connectrors

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NKC164E Chemical Cu-1.6Ni-0.35Si New
Highligts Corson alloy designed for electric components requiring high electrical conductivity and high strength
Applications Connectors, Battery Terminals

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NKC4419
(UNS Alloy No. C64800)
Chemical Cu-1.9Co-0.44Si New
Highligts Corson alloy designed for electric components requiring high electrical conductivity and high strength
Applications Connectors, Battery Terminals

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See Chemical compositions and properties

Chemical compositions and properties

Copper Alloy Name High Conductivity Alloys
NKE012 NKC4419 NKC164E
Chemical Composition (wt%) Cu : Rest
Sn : 0.12
Cu : Rest
Co : 1.9 
Si : 0.44
Cu : Rest
Ni : 1.6
Si : 0.35
Physical Properties Specific Gravity (g/cm3) 8.92 8.85 8.89
Modulus of Elasticity (MPa) 128,000 127,000 120,000
Electrical Conductivity (%IACS @20℃) 90 65 55
Poisson's Ratio 0.33 0.33 0.33
Mechanical Properties

*Standard specs.    
(Typical values)
Tensile Strength (MPa) 1/4H - 600
(520~650)
-
H 375-475
(430)
590-720
(670)
630
(590-680)
EH 410-570
(500)
- 690
(620-760)
SH - - -
ESH - - -
0.2% Yield Strength (MPa) 1/4H - 480
(370~500)
-
H (420) 570-700
(650)
610
(540-680)
EH (490) - 670
(600-740)
SH - - -
ESH - - -
Elongation (%) 1/4H - 10min.(17) -
H 1min (3) 2min.(8) 5min(12)
EH (2) - 2min(5)
SH - - -
ESH - - -
Vickers Hardness (Hv) 1/4H - 180
(160-210)
-
H 95-160
(130)
180-220
(200)
200
(160-220)
EH 105-175
(145)
- 210
(170-230)
SH - - -
ESH - - -
Bend Formability

*Badway90°W bend
Width=10mm data
Minimum Bend Radius / t Badway 1/4H - 0.0 -
H 0 0.7 0
(t=0.2mm)
EH 0.5 - 0.2
(t=0.2mm)
SH - - -
ESH - - -