Alloy 25 Beryllium Copper 

C17200/CuBe2/CW101C/DIN 2.1247 Beryllium Copper

Chemical Composition:

Be: 1.80-2.0%
Co+Ni: 0.20% Min.
Co+Ni+Fe: 0.60% Max.
Cu: Balance
Note: Copper plus additions equal 99.5% minimum.

Related Standard :

Rods/Bars/: ASTM B196; SAE J461,463; AMS 4533,4534,4535; AMS4650,4651;
RWMA Class 4, GOST 15835

Tubes: ASTM B251,643
Strips: ASTM B194, AMS4530,4532; SAE J461,463, GOST 1789  
Sheets: ASTM B194
Wires: ASTM B197, AMS4725, SAE J461,463, JIS 3270, GOST 15834
Plates: ASTM B194, SAE J461,463; AMS4530,4533,4534,AMS4650,4651; RWMA Class 4.

European Standards: CuBe2, DIN 2.1247, CW101C to EN, BrB2

Other material are also available

C17300/CuBe2Pb/CW102C/DIN 2.1248

C17500/CuCo2Be/CW104C/DIN 2.1285

C17510/CuNi2Be/CW110C/DIN 2.0850

CuCo1Ni1Be/CW103C