UNS C17200 is a beryllium copper alloy with unique properties and characteristics. This article explores its properties, applications, and uses, as well as its fabrication, machining, and maintenance.

Table of Contents:

I. Introduction

• Overview of UNS C17200

II. Properties of UNS C17200

• Chemical Composition
• Mechanical Properties
• Physical Properties

III. Applications and Uses of UNS C17200

• Aerospace and Defense
• Electronics
• Automotive
• Medical Equipment
• Oil and Gas Industry

IV. Fabrication and Machining of UNS C17200

• Welding
• Brazing
• Soldering
• Machining Techniques

V. Maintenance and Care of UNS C17200

• Corrosion Prevention
• Cleaning and Maintenance

VI. Conclusion

I. Introduction

UNS C17200 is a beryllium copper alloy with unique properties and characteristics. It is a high-strength, high-conductivity material that is widely used in various industries, including aerospace, defense, electronics, automotive, medical equipment, and oil and gas. In this article, we will explore the properties, applications, and uses of UNS C17200, as well as its fabrication, machining, and maintenance.

II. Properties of UNS C17200

A. Chemical Composition UNS C17200 is composed of copper, beryllium, and a small amount of cobalt. Its chemical composition is as follows:

• Copper: 97.9%
• Beryllium: 1.9%
• Cobalt: 0.2%

B. Mechanical Properties UNS C17200 has excellent mechanical properties, including high strength, hardness, and fatigue resistance. Its mechanical properties are as follows:

• Ultimate Tensile Strength: 140 ksi (965 MPa)
• Yield Strength: 120 ksi (825 MPa)
• Elongation: 5%
• Hardness: Rockwell C 45-55

C. Physical Properties UNS C17200 has excellent physical properties, including high conductivity, thermal conductivity, and low thermal expansion. Its physical properties are as follows:

• Electrical Conductivity: 22% IACS
• Thermal Conductivity: 195 W/m·K
• Coefficient of Thermal Expansion: 17.6 x 10-6 /K

III. Applications and Uses of UNS C17200

A. Aerospace and Defense UNS C17200 is widely used in the aerospace and defense industries for its high strength, corrosion resistance, and fatigue resistance. It is used in a variety of applications, including connectors, springs, bushings, bearings, and fasteners.

B. Electronics UNS C17200 is used in the electronics industry for its high conductivity and low contact resistance. It is used in a variety of applications, including connectors, switch parts, and relay parts.

C. Automotive UNS C17200 is used in the automotive industry for its high strength, wear resistance, and corrosion resistance. It is used in a variety of applications, including valve seats, valve guides, and camshaft bearings.

D. Medical Equipment UNS C17200 is used in the medical equipment industry for its high strength, corrosion resistance, and biocompatibility. It is used in a variety of applications, including surgical instruments, implants, and dental tools.

E. Oil and Gas Industry UNS C17200 is used in the oil and gas industry for its high strength, corrosion resistance, and wear resistance. It is used in a variety of applications, including drilling tools, valve components, and pump components.

IV. Fabrication and Machining of UNS C17200

A. Welding UNS C17200 can be welded using various welding techniques, including gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and resistance welding. However, it is important to take precautions to avoid inhaling beryllium fumes during welding, as beryllium is a hazardous material.

B. Brazing UNS C17200 can be brazed using various brazing techniques, including torch brazing, furnace brazing, and induction brazing. Brazing is a preferred method for joining UNS C17200 to dissimilar metals, such as steel or aluminum.

C. Soldering UNS C17200 can be soldered using various soldering techniques, including torch soldering, furnace soldering, and induction soldering. Soldering is a preferred method for joining UNS C17200 to non-metallic materials, such as ceramics or plastics.

D. Machining Techniques UNS C17200 can be machined using various machining techniques, including turning, drilling, milling, and grinding. However, beryllium dust and chips can be hazardous, so it is important to take appropriate safety precautions, such as wearing protective gear and using appropriate machining techniques.

V. Maintenance and Care of UNS C17200

A. Corrosion Prevention UNS C17200 has excellent corrosion resistance, but it can still corrode under certain conditions. To prevent corrosion, it is important to avoid exposure to corrosive chemicals, such as acids or alkalis. Additionally, proper cleaning and maintenance can help prevent corrosion.

B. Cleaning and Maintenance To clean UNS C17200, it is important to use a mild detergent and a soft-bristled brush. Avoid using abrasive cleaners or tools, as they can scratch the surface of the material. Additionally, it is important to rinse the material thoroughly with clean water and dry it completely to prevent water spots.

VI. Conclusion

UNS C17200 is a high-strength, high-conductivity beryllium copper alloy with unique properties and characteristics. It is widely used in various industries, including aerospace, defense, electronics, automotive, medical equipment, and oil and gas. By understanding its properties, applications, and uses, as well as its fabrication, machining, and maintenance, you can make informed decisions about using UNS C17200 in your projects and applications.