C66100, also known as Silicon Bronze, is a copper alloy renowned for its excellent combination of strength,
corrosion resistance, and machinability. This alloy is widely utilized in various industries where these
properties are critical for performance and reliability.
Chemical Composition
C66100 is primarily composed of the following elements:
| Element |
Percentage (%) |
| Copper (Cu) |
97.0 - 98.5 |
| Silicon (Si) |
0.6 - 1.4 |
| Iron (Fe) |
≤ 0.8 |
| Zinc (Zn) |
≤ 0.5 |
| Lead (Pb) |
≤ 0.05 |
| Others |
≤ 0.50 |
Mechanical Properties
C66100 exhibits excellent mechanical properties suitable for various applications:
| Property |
Value |
| Tensile Strength |
290 - 450 MPa |
| Yield Strength |
115 - 320 MPa |
| Elongation |
15 - 40% |
| Hardness (Rockwell B) |
65 - 95 |
| Electrical Conductivity |
15 - 22% IACS (International Annealed Copper Standard) |
| Density |
8.40 g/cm³ |
Corresponding Country's Brand
C66100 is recognized under different brands in various countries. Here are some equivalents:
| Country |
Brand Name |
| USA |
Silicon Bronze |
| UK |
- |
| Germany |
CuSi3Mn1 |
| Japan |
C6610 |
| China |
QSi3-1 |
Common Questions and Answers
1. What are the primary applications of C66100 in industry?
Answer: C66100 Silicon Bronze is commonly used in applications requiring corrosion
resistance, strength, and machinability. It finds applications in marine hardware, electrical connectors,
fasteners, and architectural elements.
2. Is C66100 suitable for outdoor applications and exposed environments?
Answer: Yes, C66100 is highly suitable for outdoor applications due to its excellent
corrosion resistance. It is often used in architectural applications such as door and window frames, where
exposure to weather elements is common.
3. How does C66100 compare to other bronze alloys in terms of machinability?
Answer: C66100 exhibits good machinability, allowing for ease of cutting, shaping, and
finishing. It can be machined using standard techniques and tools, making it suitable for precision
components and decorative applications.
Summary Table
| Aspect |
Details |
| Chemical Composition |
Cu (97.0-98.5%), Si (0.6-1.4%), Fe (≤ 0.8%), Zn (≤ 0.5%), Pb (≤ 0.05%), Others (≤
0.50%)
|
| Mechanical Properties |
Tensile Strength: 290-450 MPa, Yield Strength: 115-320 MPa, Elongation: 15-40%, Hardness: 65-95
Rockwell B, Electrical Conductivity: 15-22% IACS, Density: 8.40 g/cm³
|
| Country Brands |
USA: Silicon Bronze, Germany: CuSi3Mn1, Japan: C6610, China: QSi3-1 |
| Applications |
Marine hardware, electrical connectors, fasteners, architectural elements, applications
requiring corrosion resistance and machinability
|
C66100 Silicon Bronze is a versatile copper alloy known for its corrosion resistance, strength, and
machinability, making it suitable for a wide range of industrial and architectural applications where
durability and performance are essential.
