What Is Beryllium Copper Used For

In my last article, I explained the question, “What is beryllium copper?” Beryllium copper, also called beryllium bronze, is a type of precipitation hardening copper alloy containing beryllium as the main alloying element. Density is 8.3g/cm³, 0.2-2.75% beryllium, its strength is XNUMX times that of other copper alloys. Machining Beryllium copper alloys are nearly perfect alloys with similar mechanical, physical, chemical and mechanical properties and corrosion resistance to the strength, elasticity, yield and fatigue limits of specialty steels. At the same time, it has high thermal conductivity, electrical conductivity, hardness, wear resistance, temperature stability and creep resistance. It also has the advantages of excellent casting performance, non-magnetism, and no sparks on impact.What-Is-Beryllium-Copper-Used-For

There are different types of beryllium copper alloy classifications. Deformable beryllium copper alloys and cast beryllium copper alloys are classified according to the final shape processing form. Depending on the beryllium content and its properties, it can be classified into high-strength, high-elasticity beryllium copper alloys (C17000, C17200, C17300) and high-conductivity copper beryllium alloys (C17500, C17510). Beryllium copper provides good processing performance, the hardness after solid solution aging treatment can reach HRC38~43, the production of beryllium copper has a wide range of applications, consume more than 70% of the beryllium in the world. I will. Mainly mold industry, automobile industry, nuclear industry, computer industry, electronics industry, temperature controller, mobile phone battery, computer, automobile parts, micro motors, brush needles, advanced bearings, contact parts, gears, punches, all kinds Used in non-spark switches, all kinds of welding electrodes, precision casting molds:

Alloy
Parts
Cases/Achievements
High strength beryllium copper
  • Reliable connector
  • Durable switch
  • High sensitivity sensor
  • High elasticity node
  • High strength spring
  • Communication, medical, computer, military, aviation, computer, connector
  • Automotive, home appliances, communication
  • Bellows, reeds
  • Battery contact, wireless device, electromagnetic shield
  • Fixing clip, presser ring, gasket
Highly conductive beryllium copper
  • High temperature connector
  • High current relay
  • Automotive, electricity, power distribution, fuse end
  • Cars, appliances, electric motors
Beryllium copper casting
  • BH tool
  • Mold
  • device
  • Hot parts
  • Safety and explosion proof tools
  • Children's toys, plastic molds, casting molds, die casting molds
  • Submarine cable repeaters, oil and gas
  • Welding electrodes, rolling welding, generator shafts, steel crystallization equipment

Appendix Table: 1. Common Beryllium Copper Standards

ASTM B194
Beryllium copper plate, sheet, strip, rolled bar
ASTM B196
Beryllium copper bars and rods
ASTM B197
Beryllium copper wire
ASTM B643
Beryllium copper seamless tube
ASTM B441
Copper-Cobalt-Beryllium and Copper-Nickel-Beryllium Rods/Bars
ASTM B534
Copper-Cobalt-Beryllium and Copper-Nickel-Beryllium Plates, Sheets, Strips, Rolling Rods

2. Common materials for beryllium copper

Grade
Be
Nickel + cobalt
Co + Ni + Fe
Pb
Cu
C17000
1.60 to 1.79
≥0.2
≤0.6
-
Bar
C17200
1.80 ~ 2.00
≥0.2
≤0.6
-
Bar
C17300
1.80 ~ 2.00
≥0.2
≤0.6
0.2 ~ 0.6
Bar

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