Doshi Impex (India)
Doshi Impex (India)
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Copper Alloy Products

Manufacturer of a wide range of products which include beryllium copper (becu).
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  • Beryllium copper (BeCu)
  • Beryllium copper (BeCu)
  • Beryllium copper (BeCu)
  • Beryllium copper (BeCu)
  • Beryllium copper (BeCu)
  • Beryllium copper (BeCu)
Beryllium copper (BeCu)
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Beryllium copper (BeCu)

Approx. Price: Rs 3,200 / KgGet Latest Price
Product Details:
Minimum Order Quantity10 Kg
MaterialBeryllium copper (BeCu)
ShapeRound,Flat,Square,Rectangular & Circle
GradeAMS 4533 Copper AMS 4534 Copper C11000 Electrolytic Tough Pitch (ETP) Copper
CustomisationCustomised
I Deal InNew Only
Payment Terms:100% Advance
PackingPacked in bundles,wrapped in plastic,and suitably protected for sea -worthy delivery or as request

Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze and spring copper, is a copper alloy with 0.5—3% beryllium and sometimes other elements. Beryllium copper combines high strength with non-magnetic and non-sparking qualities. It has excellent metalworking, forming and machining properties. It has many specialized applications in tools for hazardous environments, musical instruments, precision measurement devices, bullets, and aerospace. Beryllium alloys present a toxic inhalation hazard during manufacture. One of the highest strengths copper-based alloys available on the market today is beryllium copper, also known as spring copper or beryllium bronze. The commercial grades of beryllium copper contain 0.4 to 2.0 percent beryllium. The small ratio of beryllium to copper creates a family of high copper alloys with strength as high as alloy steel. The first of the two families, C17200 and C17300, includes high strength with moderate conductivity, while the second family, C17500 and C17510, offers high conductivity with moderate strength. The principle characteristics of these alloys are their excellent response to precipitation-hardening treatments, excellent thermal conductivity, and resistance to stress relaxation.

 

Properties

Beryllium copper is a ductile, weldable, and machinable alloy. Like pure copper, it is resistant to non-oxidizing acids like hydrochloric acid and carbonic acid, to plastic decomposition products, to abrasive wear, and to galling. It can be heat-treated for increased strength, durability, and electrical conductivity. Beryllium copper attains the greatest strength (to 1,400 MPa (200,000 psi)) of any copper-based alloy.It has good thermal conductivity (62 Btu/ft-deg.F-H) 3-5 times more than Tool steel.

 

Beryllium copper (C17200 & C17300) is an age-hardening alloy which attains the highest strength of any copper base alloy. It may be age hardened after forming into springs, intricate forms or complex shapes. It is valued for spring properties, corrosion resistance, stability, conductivity, and low creep.

 

Tempered beryllium copper is C17200 & C17300 that has been age hardened and cold drawn. No further heat treatment is necessary beyond a possible light stress relief. It is sufficiently ductile to wind on its own diameter and can be formed into springs and most shapes. Tempered wire is most useful where the properties of beryllium copper are desired, but age hardening of finished parts is not practical.

 

High strength beryllium copper alloys contain as much as 2.7% beryllium (cast), or 1.6-2% beryllium with about 0.3% cobalt (wrought). The strength is achieved by age hardening. The thermal conductivity of these alloys lies between steels and aluminum. The cast alloys are frequently formed with injection molds. The wrought alloys are designated by UNS as C17200 to C17400, the cast alloys are C82000 to C82800. The hardening process requires rapid cooling of the annealed metal, resulting in a solid-state solution of beryllium in copper, which is then kept at 200-460 °C for at least an hour, producing a precipitation of metastable beryllide crystals in the copper matrix.

 

Applications of Beryllium Copper

Beryllium copper and its variety of alloys are utilized in very specific and often tailor-made applications such as oilfield tools, aerospace landing gears, robotic welding &mold making applications. Additional non-magnetic properties make it ideal for down-hole wire line tools. These specific applications are the reason this copper is known as spring copper and other various names.

 


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