Silver - bearing copper is another quality product of Oriental Copper Co., Ltd. To meet requirement of customers, the additional small amount of silver in copper improves the resistance to softening of materials. Most applications for this material are commutator bars and segment in traction motor and various industrial DC motors. Oriental Copper Co., Ltd. can produce silver-bearing copper in any shapes according to customer’s requirement.
 
Specifications of commutator bars / segment

• IEC 60356
• BS 1434 : 1985
• JIS C 2801 : 1995


Chemical Composition (%)
JIS C 2801:1995
Class
Cu
Cu+Ag
Ag
Class 1
99.9 min
-
-
Class 2
-
99.9 min
0.15 to 0.25
Class 3
-
99.9 min
0.08 to 0.12
Class 4
-
99.9 min
0.06 to 0.10
 
 
Typical Drawings