Element
Alloy No.

Cu

Cr

Zr

Fe

Pb

Si

Cu + Sum of Named Elements

C18150

Rem.

0.5~1.5

0.05~0.25

-

-

-

99.7이상

98.9

1.0

0.1

-

-

-

C18200

Rem.

0.6~1.2

-

0.1이하

0.05이하

0.1이하

99.5이상

99.1

0.9

-

-

-

-