C17200 Alloy 25 Beryllium Copper
C17200 (Alloy 25) : This is the most common and widely used beryllium bronze grade, containing approximately 1.8-2.0% beryllium. It has extremely high strength and hardness, and can maintain good performance at high temperatures, and is commonly used in springs, connectors, switch parts and aerospace components.
C17200, also known as Beryllium Copper Alloy 25, is a high-performance copper alloy renowned for its exceptional strength, hardness, and electrical conductivity. This alloy is widely used in applications requiring precise mechanical properties combined with high electrical performance.
Chemical Composition
C17200 is primarily composed of the following elements:
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 98.1 - 99.1 |
| Beryllium (Be) | 1.80 - 2.0 |
| Cobalt (Co) | 0.20 - 0.60 |
| Others | Balance |
Mechanical Properties
C17200 exhibits excellent mechanical properties, making it suitable for a wide range of demanding applications:
| Property | Value |
|---|---|
| Tensile Strength | 1240 - 1380 MPa |
| Yield Strength | 1100 - 1240 MPa |
| Elongation | 1 - 3% |
| Hardness (Rockwell C) | 38 - 45 |
| Electrical Conductivity | 22 - 25% IACS (International Annealed Copper Standard) |
| Density | 8.26 g/cm³ |
Corresponding Country's Brand
C17200 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 |
Summary Table
| Aspect | Details |
|---|---|
| Chemical Composition | Cu (98.1-99.1%), Be (1.80-2.0%), Co (0.20-0.60%), Others (Balance) |
| Mechanical Properties | Tensile Strength: 1240-1380 MPa, Yield Strength: 1100-1240 MPa, Elongation: 1-3%, Hardness: 38-45 Rockwell C, Electrical Conductivity: 22-25% IACS, Density: 8.26 g/cm³ |
| Country Brands | USA: Beryllium Copper Alloy 25, UK: CW101C, Germany: CuBe2, Japan: C1720, China: QBe2.0 |
| Applications | Electrical connectors, springs, switches, aerospace components, precision instruments, high-performance electrical contacts |
C17200 Beryllium Copper Alloy 25 is highly valued for its exceptional combination of strength, hardness, and electrical conductivity, making it a preferred choice in critical industrial applications.
