Yellow Brass (UNS C27200)
Yellow Brass C27200 is a type of brass alloy known for its excellent strength, ductility, and corrosion resistance. It is commonly used in a wide range of applications, including plumbing fixtures, electrical components, and decorative hardware.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Copper | 62.0% | 65.0% |
| Iron | —— | 0.07% |
| Lead | —— | 0.07% |
| Zinc | 34.6% | 38.0% |
| Residuals | —— | 0.15% |
The following table provides a list of yellow brass C27200 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 8440 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 370 - 590 MPa |
| Tensile Strength (Yield) | 150 - 410 MPa |
| Shear Strength | 230 - 320 MPa |
| Young’s Modulus (E) | 105 GPa |
| Shear Modulus (G) | 38.6 GPa |
| Elongation at Break | 10% |
| Poisson’s Ratio (ν) | 0.34 |
| Thermal Properties | Metric |
| Melting Point | ≤ 916 °C |
| Thermal Conductivity | 120 W/m·K |
| Specific Heat Capacity (Cp) | 377 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 2.05×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 1.6×107 S/m |
| Electrical Resistivity | 6.25×10-8 Ω·m |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Yellow Brass C27200
| Advantages | Disadvantages |
|---|---|
| Good Strength and Ductility | Susceptible to Dezincification |
| Excellent Corrosion Resistance | High Cost |
| Easily Machinable | |
| Antimicrobial Properties |
Applications of Yellow Brass C27200
Yellow Brass C27200 finds applications in various industries and sectors due to its favorable properties. Some common applications of Yellow Brass C27200 include:
- Plumbing Fixtures: Yellow Brass C27200 is widely used in plumbing applications, such as fittings, valves, faucets, and connectors, due to its corrosion resistance, durability, and ease of fabrication.
- Electrical Components: It is employed in electrical connectors, terminals, switches, and other electrical hardware due to its good electrical conductivity and resistance to corrosion.
- Food Processing Equipment: Due to its antimicrobial properties, Yellow Brass C27200 is used in food processing equipment, including valves, fittings, and pumps, where hygiene is crucial.
- Marine Applications: Yellow Brass C27200’s resistance to corrosion makes it suitable for marine applications, such as fittings, fasteners, and propeller components.
- Automotive Components: It is utilized in various automotive parts, including radiator cores, heat exchangers, fittings, and connectors, due to its strength, corrosion resistance, and ease of fabrication.
- Medical and Laboratory Equipment: Yellow Brass C27200 is used in medical and laboratory equipment like surgical instruments, dental fittings, and analytical instruments due to its antimicrobial properties and machinability.