330 Brass Composition
UNS C33000 is an alloy composed primarily of copper and zinc. The alloy typically contains around 60-70% copper and 30-40% zinc, creating a strong and durable material with excellent wear and superior corrosion resistance. Other trace elements may also be added to enhance certain properties, such as heat resistance or machinability.
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Element
|
Percentage
|
| Cu | 66 |
| Pb | 0.5 |
| Zn | 33.5 |
330 Brass Chemical Properties
The chemical composition of UNS C33000 provides it with excellent corrosion resistance as well as superior mechanical properties, including high tensile strength and ductility.
330 Brass Mechanical Properties
In addition, this alloy has good heat resistance, allowing it to maintain its strength even under high temperatures. Its physical properties make it an ideal choice for various applications such as valves, pumps, fasteners, electrical components, fittings, and more.
| Temper | Tensile Str. | Yield Str. | Elong. | Rockwell | |||
|---|---|---|---|---|---|---|---|
| B | C | F | 30T | ||||
| OS025 | 359 MPa (52 ksi) | 138 MPa (20 ksi) | 50% | – | – | 75 | 37 |
| OS050 | 324 MPa (47 ksi) | 103 MPa (15 ksi) | 60% | – | – | 64 | 26 |
330 Brass Physical Properties
UNS C33000 is an alloy composed primarily of copper and zinc that offers a combination of desirable physical properties. With high ductility and strength, as well as good wear resistance, Brass 330 is often used in products such as valves, marine hardware, pump parts and musical instrument components, to name a few. Its natural patina enhances its corrosion resistance, meaning it will not corrode or wear away quickly over time. In addition to its mechanical properties, Brass 330 has excellent wearability and plating qualities. This makes it a great choice for electrical applications where good contact between two surfaces needs reliable conductivity. Nothing short of impressive when evaluating the physical properties of Brass 330!
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Physical Properties 330 Brass
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|---|---|---|---|---|---|
| Density | 0.307 lb/in3 | ||||
| Ultimate Tensile Strength | 65.3 ksi | ||||
| Yield Tensile Strength | 50 ksi | ||||
| Shear Strength | 43.5 ksi | ||||
| Shear Modulus | 5,660 ksi | ||||
| Hardness Rockwell | Brinell | B80 | 147 | ||||
| Elongation at Break Percentage | 32% | ||||
| Modulus of Elasticity | 15,200 ksi | ||||
| Poisson's Ratio | 0.35 | ||||
| Machinability Percentage | 60% | ||||
| Melting Point | 1,660-1,720 °F | ||||
| Specific Heat | 9.08 x 10^-2 BTU/lb-°F | ||||
| Thermal Conductivity | 798 BTU-in/hr-ft^2-°F | ||||
| Electrical Conductivity | 26% IACS | ||||
330 Brass Equivalent
Equivalent materials to UNS C33000 copper alloy include:
ASTM B135
MIL T-46072
SAE J461
SAE J463
330 Brass Thermal Properties
The thermal properties of UNS C33000 brass is given below.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@ 20 – 300°C/68 – 572°F) | 20.2 µm/m°C | 11.2 µin/in°F |
| Thermal conductivity (@ 20°C/68°F) | 115 W/mK | 798 BTU in/hr.ft².°F |
330 Brass Uses
UNS C33000 is a type of brass alloy prized for its numerous uses across various industries. This durable and rust-resistant material has a number of commercial applications, including parts for construction-related items such as window frames, door knobs and curtain rods. It can also be used to create components for certain types of automotive engines and fuel systems, as well as plumbing and water fixtures. Brass 330 is often found in musical instruments like trumpets, flutes and trombones due to its electrical conductivity. All these qualities make Brass 330 an invaluable asset for workers in many different fields who need dependable materials to get the job done.
