C51900 CuSn6P Phosphor Bronze
C51900 (CuSn6P) : Containing 6% tin, high strength and good machinability, widely used in electrical contacts, springs and coins.
C51900, also known as Bronze - Phosphor, is a copper alloy distinguished by its excellent machinability, corrosion resistance, and wear resistance. This alloy is widely utilized in applications where these properties are essential for performance and longevity.
Chemical Composition
C51900 is primarily composed of the following elements:
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 92.0 - 96.0 |
| Tin (Sn) | 7.0 - 8.5 |
| Phosphorus (P) | 0.20 - 0.40 |
| Zinc (Zn) | ≤ 0.25 |
| Lead (Pb) | ≤ 0.05 |
| Others | ≤ 0.50 |
Mechanical Properties
C51900 exhibits excellent mechanical properties suitable for various demanding applications:
| Property | Value |
|---|---|
| Tensile Strength | 380 - 620 MPa |
| Yield Strength | 180 - 550 MPa |
| Elongation | 10 - 25% |
| Hardness (Rockwell B) | 70 - 95 |
| Electrical Conductivity | 15 - 25% IACS (International Annealed Copper Standard) |
| Density | 8.83 g/cm³ |
Corresponding Country's Brand
C51900 is recognized under different brands in various countries. Here are some equivalents:
| Country | Brand Name |
|---|---|
| USA | C51900 Alloy |
| UK | - |
| Germany | CuSn8P |
| Japan | C5191 |
| China | QSn8-0.3 |
Summary Table
| Aspect | Details |
|---|---|
| Chemical Composition | Cu (92.0-96.0%), Sn (7.0-8.5%), P (0.20-0.40%), Zn (≤ 0.25%), Pb (≤ 0.05%), Others (≤0.50%) |
| Mechanical Properties | Tensile Strength: 380-620 MPa, Yield Strength: 180-550 MPa, Elongation: 10-25%, Hardness: 70-95 Rockwell B, Electrical Conductivity: 15-25% IACS, Density: 8.83 g/cm³ |
| Country Brands | USA: C51900 Alloy, Germany: CuSn8P, Japan: C5191, China: QSn8-0.3 |
| Applications | Bearings, bushings, valve components, parts requiring excellent machinability and corrosion resistance |
C51900 Bronze - Phosphor is a versatile copper alloy known for its excellent machinability, corrosion resistance, and wear resistance, suitable for various engineering applications where these properties are crucial.
