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C87200 Copper Round Bar

C87200 is a cast copper-silicon alloy (silicon bronze) known for its high strength, excellent corrosion resistance, and good castability.
High strength
Excellent corrosion resistance
Good wear and galling resistance
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Introduction
C87200 Copper Round Bar

C87200 is a cast silicon bronze alloy known for its exceptional combination of strength and corrosion resistance. It is commonly produced in rod form for use in various industrial applications. The material offers higher mechanical strength than many other copper alloys, making it suitable for components that must withstand significant stress and wear. Its silicon content contributes to good casting characteristics and enhances its durability in demanding environments.

In addition to its strength, C87200 provides excellent resistance to corrosion, particularly in marine and industrial settings where exposure to moisture, chemicals, or saltwater is common. The alloy also exhibits good galling resistance, which makes it ideal for moving parts such as valves, pumps, and fittings. These properties, along with its reliable machinability, make C87200 copper rod a preferred choice for applications requiring long-term performance and reliability.

parameter
Physical Properties
Melting Point – Liquidus°F 1780
Melting Point – Solidus°F 1580
Densitylb/cu in. at 68°F 0.302
Specific Gravity 8.4
Electrical Conductivity% IACS at 68°F 6
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 16.4
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 15000
Advantages
Advantages of C87200 Copper Round Bar
Our case presentation
Applications for C87200 Copper Round Bar
Marine Components
C87200 copper rod is widely used in marine applications such as propeller shafts, pump housings, valves, and fittings due to its exceptional resistance to seawater corrosion and biofouling.
Industrial Valves and Pumps
The alloy's high strength and excellent galling resistance make it ideal for valve stems, seat rings, pump impellers, and other components that require durability under repeated mechanical contact and exposure to harsh fluids.
Aerospace and Defense Equipment
Its combination of strength, corrosion resistance, and reliability suits it for use in aerospace actuators, landing gear bushings, and defense hardware where performance under extreme conditions is critical.
Electrical and Mechanical Hardware
C87200 is also employed in electrical connectors, switchgear components, and heavy-duty mechanical fasteners where a balance of conductivity, strength, and long-term wear resistance is required.
Strength
Company Strength
Our Team
Gnee steel group is a professional one-stop supply chain company for steel products in China. The copper technology has reached the world average technology level and has been approved by dozens of project companies to be the star company in Asia.
Established in 2008 with a registered capital of 5 million RMB, Gnai has made remarkable progress and development in the steel market. At present, the company has a total investment of 30 million yuan, a plant area of more than 35,000 square meters and more than 200 employees. With a clear strategic framework, a complete governance structure, a solid management foundation, and strong financial and human resources, the company is becoming the most professional internationalized steel supply chain company in the Central Plains.
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What Are Your Company’s Main Products?
Our main products are copper plate/sheet, coil, round/square pipe, bar, etc.
How Do You Control Quality?
Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.
What Are The Advantages Of Your Company?
We have many professionals, technical personnel, more competitive prices and best after-dales service than other copper companies.
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