C17200 beryllium copper tube Chemical Composition

Alloy No

UNS.$DIN

Be

Co

Ni

Co+Ni

Co+Ni+Fe

Pb

Others

Cu

25

C17200

1.80-2.00

-

-

0.20Min

0.60Max

0.02Max

0.05Max

Rem.

M25

C17300

1.80-2.00

-

-

0.20Min

0.60Max

0.20-0.60

0.05Max

Rem.

10

C17500

0.40-0.70

2.40-2.70

-

-

-

-

0.05Max

Rem.

3

C17510

0.20-0.60

-

1.40-2.20

-

-

-

0.05Max

Rem.

CCNB

CuCo1Ni1Be

0.40-0.70

0.80-1.30

0.80-1.30

-

-

-

0.05Max

Rem

Physical Properties of Beryllium Copper Tubes/Pipes

Alloy No

UNS/CDA/DIN/EN

Temper

Tensile Strength(N/MM2)

Yield Strength(N/MM2)

Elongation(%)

Rockwell Hardness(B orC)

Electrical Conductivity(1ACS%)

25

C17200/172/CuBe2/BeCu

Solution and Ageing

1130-1380

1000-1210

4-10

C36-42

22-28

M25

C17500/175/CuCo2Be

Soft

249-380

70-210

20-35

B20-50

20-30

3

C17510/1751/CuNi2Be

Hard

450-550

340-520

10-15

B60-80