Forging Brass (UNS C37700)
Forging brass C37700 is a type of brass alloy known for its excellent machinability, corrosion resistance, and low friction properties. It is commonly used in the manufacturing of various components such as valves, fittings, and fasteners in industries such as plumbing, marine, and automotive.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Copper | 58.0% | 61.0% |
| Iron | —— | 0.3% |
| Lead | 1.5% | 2.5% |
| Zinc | Remainder | |
The following table provides a list of brass C37700 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) | 400 MPa |
| Tensile Strength (Yield) | 160 MPa |
| Shear Strength | 270 MPa |
| Young’s Modulus (E) | 105 GPa |
| Shear Modulus (G) | 39 GPa |
| Elongation at Break | 40% |
| Poisson’s Ratio (ν) | 0.35 |
| Thermal Properties | Metric |
| Melting Point | 880 - 895 °C |
| Thermal Conductivity | 120 W/m·K |
| Specific Heat Capacity (Cp) | 380 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 2.07×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 1.57×107 S/m |
| Electrical Resistivity | 6.4×10-8 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 Forging Brass C37700
| Advantages | Disadvantages |
|---|---|
| Excellent Machinability | Lead Content |
| Good Corrosion Resistance | Limited High-Temperature Applications |
| Low Friction Properties | High Cost |
Applications of Forging Brass C37700
Forging Brass C37700 finds application in various industries due to its desirable properties. Some common applications include:
- Plumbing Fittings: Brass C37700 is commonly used in the production of plumbing fittings such as couplings, adapters, valves, and connectors. Its corrosion resistance, machinability, and low friction properties make it suitable for use in plumbing systems where it can handle water and various fluids.
- Fasteners: Forging Brass C37700 is used to manufacture a wide range of fasteners, including screws, bolts, nuts, and washers. Its excellent machinability allows for precise threading, and its corrosion resistance ensures durability in outdoor and corrosive environments.
- Electrical Connectors: The electrical conductivity of brass, coupled with the machinability of C37700, makes it an ideal choice for electrical connectors, terminals, and socket connectors. Its corrosion resistance also ensures a reliable connection over time.
- Musical Instruments: Brass C37700 is commonly used in the production of musical instruments such as trumpets, trombones, saxophones, and other brass instruments. Its aesthetic appeal, malleability, and acoustic properties contribute to the quality and performance of the instruments.
- Marine Applications: Brass C37700’s corrosion resistance, combined with its suitability for forging, makes it useful in marine applications. It can be found in components such as marine fittings, valves, pumps, and propellers.
- Automotive Components: Forging Brass C37700 is used in the manufacturing of automotive components, including radiator cores, fittings, connectors, and various engine parts. Its machinability and resistance to corrosion contribute to the longevity and performance of these components.