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Special copper alloys
Copper chromium
Copper beryllium
Aluminum-bronze alloy
Special high-strength brass
NC alloys (corson system alloys)
ENC25
ENC50
Alloy Data Sheets
Safety Data Sheets
Metal cavity productions
Precision castings
Pressure castings
ISO9001F2008 Certified
 
Copper beryllium
 
High-beryllium copper: copper beryllium alloy 25 and copper beryllium alloy 165 (high-strength alloy)
 
Features beryllium copper
 
Copper beryllium alloy 25 has the highest strength and hardness in the copper alloy family. This material has not only the strength equal to that of special steel, but also an excellent spring quality, electrical conductivity, wear resistance, and corrosion resistance, due to our unique heat treatment.
 
Principal applications:
 
Electrodes for resistance welding
Electrode wheels
Parts of welding machines (arms, holders,
     treatment devices, etc.)
Parts, housing, and accessories for repeaters
     in undersea optical fiber cables
Material to make dies and molds
Bearings
 
Low-beryllium copper: copper beryllium alloy 50 (high conductivity alloy)
BeCu50 BZF/BZD
   
Outline  
   
This alloy has not only high-electrical conductivity but also the ideal mechanical properties for manufacture of electrodes or machinery parts. We make bars by means of drawing and can make any shape of alloy by forging or casting. Beryllium copper alloy 50 (50C alloy) is precipitation-hardened by aging. Therefore, high mechanical properties can be obtained via heat treatment. Beryllium copper can be used in a wide range of applications, depending on the beryllium contents and characteristics. Beryllium copper alloy 50 has a very low amount of beryllium in the alloy, about 0.2%-0.4%.
 
Features
 
The conductivity of beryllium copper alloy 50 is the highest in the beryllium copper alloy family, and it has excellent heat-resistance.
 
Principal applications:
 
Electrodes for resistance welding
Tip bases for resistance welding
Gun arms for spot welding
Screw adapters
Base tips for insert cards
Insert electrodes (renewable type)
Bearing material
Plunger tips for die-casting machines
beryllium copper alloy 50
 
beryllium copper alloy 50
 
beryllium copper alloy 50
   
 
 
 
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YAMATOGOKIN.CO. LTD.
474,Kamitome,Miyoshi-machi,Iruma-gun,Saitama,354-0045 Japan,
Phone : 81-49-273-6006 FAX : 81-49-273-6016
E-MAIL : info3@yamatogokin.com
MIYOSHIGOKINKOGYO CO. LTD.
508 Kamitome,Miyoshi-machi,Iruma-gun,Saitama-ken, 354-0045 Japan
Phone : 81-49-258-3381 FAX : 81-49-258-5279

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