Nonferrous Metals and Chemical Products

Refined Copper/Copper Cakes and Billets

Refined copper

The Group produces refined copper with purity of 99.99% or higher, using as raw materials the copper concentrate from copper mines, as well as recycled printed circuit boards and other discarded devices. The refined copper of the Group is produced at the Group's smelter which has the world's best production capacity and technology. Highly evaluated for its quality and stable supply, the product is widely used, mainly in such fields as wire and cable and rolled copper products.


Size Weight/piece Packaging
Saganoseki (SR-P Brand) L1050mm×W960 ×T9 78.5kg 2.7t
Hitachi (HR-Brand) L1050mm×W960 ×T9 78.5kg 3.5t
Tamano (TAMANO-P Brand) L1030mm×W1050 ×T8 78.5kg 3.0t
Caserones (CASERONES Brand) L1150mm×W1000 ×T7 50.0kg 2.5t

Quality standard

LME Grade-A Copper and COMEX Grade 1 Cathode registered (BS EN 1978 1998 Cu-CATH-1)

  • Excluding Caserones
Impurity Se Te Bi Sb As Pb Fe S Ag Total
Upper Limit 2 2 2 4 5 5 10 15 25 65ppm

(Se+Te+Bi) 3ppm, (Se+Te) 3ppm,
(As+Sb+Cr+Mn+Cd+P) 15ppm,
(Fe+Si+Sn+Ni+Zn+Co) 20ppm

Main applications

Wire and cable, rolled copper products

Copper cakes and billets

The Group produces tough pitch copper, phosphorus deoxidized copper, and oxygen-free copper to meet all kinds of customer needs. Among these, oxygen-free copper is acclaimed for its advanced quality, made possible by original know-how, while tough pitch copper cakes are used as materials for rolled copper foil.


Cakes (mm) 370× 180 420× 190 490× 215 510× 215 635× 178 640× 260 685× 210
Oxygen-free copper (OFC)
Tough pitch copper (ETP)
Phosphorus deoxidized copper (DHP)
Billets (mm) 156ø 200ø 222ø 250ø 280ø 300ø
Oxygen-free copper (OFC)
Tough pitch copper (ETP)
Phosphorus deoxidized copper (DHP)

Quality standard

ASTM Cu Other standards
OFC C1020 C10200 99.96%≦ O≦5ppm
ETP C1100 C11000 99.90%≦ O≦500ppm
DHP C1220 C10200 99.90%≦ P40-400ppm

Main applications

OFC Terminals, connectors
ETP Copper foil, terminals
DHP Copper tubes, plating balls
Contact Information
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