Copper

Number

                          Weight percent

Cu

Be

Ni

Zn

Fe

Sn

Pb

Other

C17000

banlance

1.60-1.79

0.20

  -

 -

-

-

0.6Co+Ni+Fe

C17200

banlance

1.80-2.0

0.20

  -

 -

-

-

0.6Co+Ni+Fe

C17510

banlance

0.20-0.60

1.4-2.2

  -

 -

-

-

    -

C22000

89.0-91.0

-

  -

banlance

0.05

-

0.05

    -

C23000

84.0-86.0

-

  -

banlance

0.05

-

0.05

    -

C26000

68.5-71.5

-

  -

banlance

0.05

-

0.07

    -

C28000

59.0-63.0

-

  -

banlance

0.07

-

0.30

    -

C71500

banlance

-

29.0-33.0

1.0

0.4-1.0

-

0.05

1.0Mn