Production Alloy system Chemical composition Features Example of use

CMR (PDF)

Cu-Mn-Ni Cu-11.5Mn-2.7Ni Low temperature coefficient of resistance (TCR) and low thermal electromotive force (EMF).
  • Shunt resistor
  • Chip resistor

HRR (PDF)

Cu-Mn-Sn Cu-6.8Mn-2.3Sn Low temperature coefficient of resistance (TCR) and low thermal electromotive force (EMF).
  • Shunt resistor
  • Chip resistor
OFC
(JIS C1011)
Oxygen free copper for electron devices 99.99Cu The first to obtained JIS Third-party Certificate in Japan.
  • Electronic parts
  • Automotive parts
OFC
(JIS C1020)
Oxygen free copper 99.96Cu The highest level in purity.
  • Electronic parts
  • Automotive parts
TPC
(JIS C1100)
Tough pitch copper 99.90Cu The highest level in purity.
  • Electronic parts
  • Automotive parts
CC Bar
(C18200)
Cu-Cr Cu-1.0Cr High strength, high conductivity and excellent heat resistance.
  • Electrode tip
  • Rotary bar
CZ Bar
(C15000)
Cu-Zr Cu-0.2Zr High strength, high conductivity and excellent heat resistance.
  • Welding electrode tip
CZC61 Bar
(C18150)
Cu-Cr-Zr Cu-0.6Cr-0.1Zr High strength, high conductivity and excellent heat resistance.
  • Welding electrode tip
EFTEC-194BD
(C19400)
Cu-Fe Cu-2.4Fe-0.13Zn-0.04P High strength, high conductivity, good bendability and good heat resistance.
  • Terminal for mechanical relay
EFTEC-98BD Corson copper Cu-3.75Ni-0.9Si-0.5Zn-0.15Sn-0.1Mg Good strength, high conductivity and excellent stress relaxation property.
  • Coaxial connector
  • Welding machine parts
Resistance alloys Cu-Ni, Cu-Zn, Other Cu-Ni, Cu-Zn, Other High strength, high conductivity and excellent heat resistance.
  • Rotary bar