Manufacture Supply C17300 C17510 C17150 Beryllium Copper Rod /
C17200 Becu Beryllium Copper Round Bar Price Per Kg UNS C17300 beryllium copper alloys are heat treatable, ductile and
can be mill hardened. They offer tensile strength of 1380 MPa (200
ksi). These steels are suitable for applications requiring good
conductivity, high strength and stiffness. This article will give an overview of UNS C17300 beryllium copper
alloys. Chemical Composition The following table shows the chemical composition of UNS C17300
copper. | Element | Content (%) |
|---|
| Cu | 97.7 | | Be | 1.9 | | Co | 0.40 |
Physical PropertiesThe physical properties of UNS C17300 copper are given in the
following table. | Properties | Metric | Imperial |
|---|
| Density (during age hardening, 2% max. decrease in length and 6%
max. increase in density) | 8.25 g/cm3 | 0.298 lb/in3 | | Melting point | 866°C | 1590°F |
Mechanical PropertiesThe mechanical properties of UNS C17300 copper are tabulated below. | Properties | Metric | Imperial |
|---|
| Hardness, Rockwell B | 80.0 - 85.0 | 80.0 - 85.0 | | Tensile strength, ultimate | 515 - 585 MPa | 74700 - 84800 psi | | Tensile strength, yield | 275 - 345 MPa | 39900 - 50000 psi | | Elongation at break | 15.0 - 30.0% | 15.0 - 30.0% | | Modulus of elasticity | 125 - 130 GPa | 18100 - 18900 ksi | | Poissons ratio | 0.300 | 0.300 | | Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% | | Shear modulus | 50.0 GPa | 7250 ksi |
Beryllium copper rods find applications in various industries and
sectors due to their unique properties. Here are some common
applications of beryllium copper rods:
Electrical connectors and switches: Beryllium copper rods are
widely used in electrical connectors and switches due to their
excellent conductivity and mechanical strength. They provide a
reliable electrical connection while withstanding repeated mating
and unmating cycles. Springs and contacts: Beryllium copper rods are commonly used in
spring applications where high strength, durability, and good
elasticity are required. They are used in springs for various
industries, including automotive, aerospace, electronics, and
telecommunications. Beryllium copper contacts are also used in
electrical connectors and switches to ensure efficient electrical
transmission. Welding and resistance welding electrodes: Beryllium copper rods
are used as welding electrodes due to their high thermal
conductivity, heat resistance, and resistance to welding spatter.
They are commonly employed in resistance welding applications where
precise and consistent welding is required. Bearings and bushings: Beryllium copper rods are utilized in the
manufacture of bearings and bushings due to their excellent wear
resistance, low friction, and high strength. They provide reliable
performance and extended service life in demanding applications,
such as automotive, aerospace, and industrial machinery. Tooling and molds: Beryllium copper rods are used in tooling and
mold applications that require high strength, dimensional
stability, and resistance to wear and corrosion. They are employed
in injection molds, blow molds, and die-casting molds to achieve
precise and durable tooling. Oil and gas industry: Beryllium copper rods find applications in
the oil and gas industry, particularly in downhole tooling, where
high strength, corrosion resistance, and reliability are crucial.
They are used in components such as drill collars, drill bits, and
valves. Aerospace and defense applications: Beryllium copper rods are
utilized in various aerospace and defense applications due to their
high strength, durability, and resistance to fatigue. They are
employed in components such as connectors, springs, contact
springs, and electrical contacts. -
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