Products Lineup Product
Applications
Product Quality
Policy
Environmental
Policy
History of Sakai Plant
 
Characteristics

 We have high potential oxygen-free copper, a diverse range of copper alloys based on high potential oxygen-free copper, and manufacture mold materials for steel, steel related materials, non-ferrous mold materials, materials for electrodes, materials for electronics, high potential copper alloyed wirerod, high potential oxygen-free copper processed goods, and have a full range of other products to meet specific customer specifications.

Properties of main copper alloys (typical data)

materiod or Alloy CDA
No.
Composition
(wt.%)
Quality distinction Tensile strength
(MPa)
0.2% proof stress(Mpa) Elongation
(%)
Hardness
(HV)
Electrical conductivity
(%IACS)
Cu-Ag Alloy C10700 Ag=0.08~0.12 H 280 250 35 85 100
Cu-Te Alloy C14500 Te=0.4~0.7P=0.004~0.020 1/2H 250 : 30 80 90
Cu-Ni-Si Alloy C18000 Ni=1.8~3.0
Si=0.4~0.8
Cr=0.1~0.8
TMT
TMT-S
660
700
540
630
16
8
220
240
40
40
Cu-Cr-Zr Alloy C18150 Cr=0.5~1.5
Zr=0.05~0.25
TMT
TMT-S
350
420
250
350
35
30
120
140
80
80




 Product Examples

Mold materials for steel
Plate type / Beam blank type

Steel related materials

Blast furnace stave

Mold materials for non-ferrous industries

Casting wheel / sleeve for horizontal continuous casting

Materials for electrodes

Plate type / Rod type

Materials for electronic industry

Materials for targets / Backing plates

High potential copper alloyed wirerod

Wirerod for trolley wire / Wirerod for robots / Wirerod for automobile- (products) / Wirerod for aircraft(products)

High Potential oxygen-free copper processed goods

For super conductors / High vacuum equipment / other.