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Gunmetal bronze is a copper alloy primarily composed of copper, tin, and zinc, known for its strength, corrosion resistance, and excellent machinability. This alloy is characterized by its distinctive dark color and is often used in applications requiring durability and resistance to wear. Gunmetal bronze is typically utilized in the manufacturing of valves, gears, and marine components due to its ability to withstand harsh environments.
| Composition | Copper, tin, and zinc |
| Typical tensile strength | 200 to 400 MPa |
| Density | 8.5 to 8.9 g/cm³ |
| Melting point | 900 to 950 °C |
| Corrosion resistance | Good in marine environments |
When selecting gunmetal bronze, buyers should consider the specific composition ratios of copper, tin, and zinc to meet their application needs. It's important to specify the desired mechanical properties, such as tensile strength and corrosion resistance, as well as any relevant industry standards or certifications. Quantities required should also be clearly stated when requesting a quote to ensure accurate pricing and availability.
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It is commonly used in marine components, valves, and gears due to its strength and corrosion resistance.
It is primarily composed of copper, tin, and zinc.
Gunmetal bronze offers better corrosion resistance and machinability compared to many other copper alloys.
The melting point typically ranges from 900 to 950 °C.
Yes, it has good corrosion resistance, making it suitable for outdoor and marine applications.
The typical tensile strength ranges from 200 to 400 MPa.