C17000, also known as Beryllium Copper Alloy 25, is a high-performance copper alloy known for its remarkable
strength, hardness, and conductivity. This alloy is particularly valued for its ability to maintain its
properties at elevated temperatures, making it ideal for demanding industrial applications.
Chemical Composition
C17000 is primarily composed of the following elements:
| Element |
Percentage (%) |
| Copper (Cu) |
98.0 - 99.2 |
| Beryllium (Be) |
1.6 - 2.0 |
| Cobalt (Co) |
0.2 |
| Others |
Balance |
Mechanical Properties
C17000 exhibits exceptional mechanical properties, making it suitable for a wide range of demanding
applications:
| Property |
Value |
| Tensile Strength |
1100 - 1380 MPa |
| Yield Strength |
970 - 1200 MPa |
| Elongation |
1.5 - 3% |
| Hardness (Rockwell C) |
36 - 43 |
| Electrical Conductivity |
22 - 30% IACS (International Annealed Copper Standard) |
| Density |
8.25 g/cm³ |
Corresponding Country's Brand
C17000 is recognized under different brands in various countries. Here are some equivalents:
| Country |
Brand Name |
| USA |
Beryllium Copper Alloy 25 |
| UK |
CW101C |
| Germany |
CuBe2 |
| Japan |
C1720 |
| China |
QBe2.0 |
Common Questions and Answers
1. What are the primary advantages of using C17000 in industrial applications?
Answer: C17000 offers a unique combination of high strength, excellent hardness, and good
conductivity. Its ability to maintain these properties at elevated temperatures makes it ideal for use in
applications such as electrical connectors, springs, and precision instruments.
2. Can C17000 be easily welded or soldered?
Answer: Welding C17000 can be challenging due to its high strength and beryllium content.
Specialized techniques and precautions are necessary to avoid health risks associated with beryllium.
Soldering is generally more straightforward, but appropriate fluxes and solder materials should be used to
ensure good joint quality.
3. In what applications is C17000 commonly used?
Answer: C17000 is commonly used in the manufacturing of electrical connectors, precision
springs, switch contacts, and other components that require a combination of high strength, hardness, and
conductivity. Its properties make it suitable for aerospace, telecommunications, and industrial machinery
applications.
Summary Table
| Aspect |
Details |
| Chemical Composition |
Cu (98.0-99.2%), Be (1.6-2.0%), Co (0.2%), Others (Balance) |
| Mechanical Properties |
Tensile Strength: 1100-1380 MPa, Yield Strength: 970-1200 MPa, Elongation: 1.5-3%, Hardness:
36-43 Rockwell C, Electrical Conductivity: 22-30% IACS, Density: 8.25 g/cm³
|
| Country Brands |
USA: Beryllium Copper Alloy 25, UK: CW101C, Germany: CuBe2, Japan: C1720, China: QBe2.0 |
| Applications |
Electrical connectors, precision springs, switch contacts, aerospace components,
telecommunications equipment, industrial machinery
|
C17000 Beryllium Copper Alloy 25 is a versatile and reliable material widely used across various industries
for its excellent combination of strength, hardness, and conductivity.
