Copper beryllium properties are determined in part by composition. Mechanical properties measured at room temperature, 68 f 20 c temper sectioncold size typ work. The berylco beryllium copper alloys are the most versatile of all copper alloys. Beryllium copper becu, also known as copper beryllium cube, beryllium bronze and spring. Beryllium copper high strength alloys are less dense than conventional specialty coppers, often providing more pieces per pound of input material. When copper is alloyed with 2% beryllium and heat treated, very fine precipitates of a strong copper beryllium compound form. Copper beryllium high strength alloys are less dense than conventional specialty coppers, often providing more pieces per pound of input material. This range of properties makes c17200 beryllium copper the premier material for copper alloy molds and a wide range of other applications from oil and gas to aerospace. However, in service beryllium copper is perfectly safe to handle and use. Beryllium metal is used in fusion reactors, nuclear devices, radar systems, and military infrared countermeasure devices. Beryllium copper, commonly referred to as becu and alloy 25, exhibits superb electrical and thermal conductivity. It is a fairly soft metal, brittle in nature, with high specific heat, stiffnesstoweight ratio, strengthtoweight ratio and thermal conductivity. When copper is alloyed with 2% beryllium and heat treated, very fine precipitates of a strong copperberyllium compound form.
The gp zones have no well defined crystal structure of their own and they contain a high concentration of, in this case, beryllium atoms. Learn about beryllium, exposure to which can increase your risk of lung cancer. Beryllium copper alloys are used in the electronics, automotive, defense, and aerospace industries. It has many specialized applications in tools for hazardous environments. Unlike other copper base alloys which acquire their strength through cold work alone, wrought copper beryllium obtains its high strength, conductivity, and hardness. The search phrase you entered, beryllium copper, is common to 335 materials, by searching on the exact phrase beryllium copper in the most common text fields. Pdf high strength copper alloys can be produced either by generating very fine grained low alloyed single phased or precipitation hardened copper.
Beryllium copper is a copper alloy that is composed of 0. Roc background document for beryllium and beryllium compounds means. Beryllium in alloys contributes hardness, strength, and high electrical and thermal conductivity. The excellent balance of its mechanical properties allows it to be widely used for switches, connectors and other electronic components. Our beryllium copper meets astm b194 specifications and is ideal for an array of applications. Copper beryllium also has an elastic modulus 10 to 20 percent higher than other specialty copper alloys. Heat treating is key to the versatility of the copper beryllium alloy system. High performance copper beryllium alloys from materion. Strength, resilience, and elastic properties make beryllium copper the alloy of choice. For further information on heat treatment and the related properties of this alloy. Physical properties us customary melting point liquidus 1800 f melting point solidus 1590 f density. Get c17200 copper beryllium alloy from busby metals. Follow the links below to view complete property information.
Tolerances apply to rolled and mill hardened strip. Selected chemical and physical properties of beryllium, beryllium aluminium and berylliumcopper alloys, and. Ngk berylco beryllium copper products technical information. Beryllium copper flat products uns c17200 mechanical properties. Material properties of highstrength beryllium free copper alloys article pdf available in international journal of materials and product technology 502.
In the case of beryllium copper alloys, the property change is an increase in strength. Guide to beryllium copper michigan state university. The alloy furnishes the best combination of electrical conductivity, corrosion resistance and mechanical strength necessary for numerous electronic and electromechanical devices. Beryllium copper alloys have advantages over steel, including higher resistance to corrosion. Copper beryllium materials played an indispensible role in capping the macondo well in the gulf of mexico oil spill disaster. C 172 copper beryllium is the most specified copper beryllium and is available at morgan bronze in both solution and precipitation heat treated tubing as well as solution heat treated rod and bar. The tensile strength of c17200 copper is over 80 mpa 200 ksi. Results are displayed up to a maximum of 200 materials per page. Beryllium coppers electrical properties provide shielding effectiveness over an extremely.
Search results the search phrase you entered, beryllium copper, is common to 335 materials, by searching on the exact phrase beryllium copper in the most common text fields. We manufacture and distribute some of the most frequently used types of bronze alloys for a number of industries. Beryllium copper beryllium copper sheets manufacturer. Mechanical properties form temper temper code tensile strength ksi ys0. For instance, it very strong, and has nonsparking and nonmagnetic qualities. Beryllium itself is an expensive material, yet it is not often a major contributor for the final cost of the mirror.
Technical data about alloy material physical properties, including temper, electrical and thermal conductivity, formability, stress relaxation resistance, density and modulus of elasticity. Beryllium copper is also a better conductor of heat and electricity. C17200 beryllium copper us epa registered antimicrobial chemical composition %max. Beryllium copper becu is a high performance metal which can be fabricated into a wide variety of components. Beryllium copper alloys high strength spring copper. Copper beryllium alloys are essential in todays electronics, automotive, telecommunications, aerospace and oil and gas applications, ensuring improved performance, durability and reliability over other materials. The grade chosen and beryllium content can affect the raw material cost by up to 50%. Beryllium mechanical properties and material applications. A copper alloy containing beryllium and small amounts of cobalt, nickel andor. Strength, resilience, and elastic properties make copper beryllium the alloy of choice. Beryllium copper and its variety of alloys are utilized in very specific and often tailormade applications such as oilfield tools, aerospace landing gears, robotic welding, and mold making applications. Physical properties of beryllium copper little falls alloys. Beryllium copper 25 is a copper base alloy with the capability of being strengthened by precipitation heat treatment.
Copper alloy c17300 is the leaded version of the most commonly specified copper beryllium alloy. Beryllium copper supplier mead metals in minnesota. Beryllium copper s electrical properties provide shielding effectiveness over an extremely broad frequency range. C17200 beryllium copper us epa registered antimicrobial. C17200 copper cda 172 astm b196, ams 4533, sae j461, rwma class iv. Cube2coni beryllium copper data sheet c5 european copper. Highstrength beryllium coppers, coppernickelsilicon. The unique combination of strength, stress relaxation resistance, hardness, resistance to corrosion and electrical conductivity offered by copperberyllium also known as berylliumcopper, has given it an important place in modern industry. The formation of gp zones usually coincides with a change in properties. Mechanical properties measured at room temperature, 68 f 20 c. Alternative material to beryllium copper alloy nkt322.
Material properties of highstrength berylliumfree copper alloys article pdf available in international journal of materials and product technology 502. It has excellent metalworking, forming and machining properties. Tabulated below are the mechanical properties of uns c17200 flat products as a function of heat treatment and thickness. Most exposures occur to workers who produce such products. Copper alloy c17200 is the most commonly specified copper beryllium alloy. The alloy, alloy 165, is manufactured without lead and a lower percentage of beryllium yet retains almost the same ultimate physical properties, resulting with a hardness of rockwell c41. Copper beryllium wrought alloy msds march 3, 2003 page 3 of 12 skin contact with this material may cause, in some sensitive individuals, an allergic dermal response. Beryllium alloyed with copper, aluminum, and other metals is used in the electronics, automotive. Aluminum beryllium is a lower cost alternative but the mixture negatively impacts many of the desired properties of pure beryllium. The unique combination of strength, stress relaxation resistance, hardness, resistance to corrosion and electrical conductivity offered by copper beryllium also known as berylliumcopper, has given it an important place in modern industry.
Copper alloy, c17000 shares similar properties to the more commonly known ca172. View the physical and chemical properties of the various beryllium copper alloys we carry. As noted above, beryllium copper wont spark, and this is another significant benefit the metal alloy has over steel. In its age hardened condition, it attains the highest strength and hardness of any commercial copper base alloy. It displays exceptional machining, forming and metalworking capabilities, along with a combination of high strength, nonmagnetic and nonsparking qualities. Physical properties mechanical properties thermal properties applications. Thermal conductivity and electrical resistivity of two.
T beryllium copper becu, also known as copper beryllium cube, beryllium bronze and spring copper, is a copper alloy with 0. The mechanical properties of copperberyllium alloy strip american society for testing and materials reg. Uns c17200 beryllium copper alloys are ductile and produced in mill hardened and heat treatable tempers. Unlike most other materials, an instrument composed of beryllium copper will maintain a.
Chemical and mechanical properties listed above are compliant with specification ams 4535 for tubing and. Copper is a relatively soft and malleable metal with excellent formability, making it ideal for architectural applications such as roofs, wall cladding, gutters and downspouts. An evaluation of the fatigue crack growth and fracture. Like pure copper, it is resistant to nonoxidizing acids like hydrochloric acid and carbonic acid, to plastic decomposition products, to abrasive wear, and to galling. It is a heat treatable copper alloy having the unusual combination of very high hardness and strength and lower electrical conductivity than class 3 materials. In its age hardened condition c 172 attains the highest strength and hardness of any commercial copper based alloy. Beryllium is a naturally occurring, lightweight metal used in products such as aerospace components, transistors, nuclear reactors, and golf clubs. Physical properties of beryllium copper the balance. Tempered wire is most useful where the properties of beryllium copper are desired, but.
They combine a wide range of properties that make our alloys the ideal materials to. The beryllium copper alloys commonly supplied in wrought product form are highlighted in this section. Additional nonmagnetic properties make it ideal for downhole wire line tools. There are many different forms of copper, and each different form is used for a various amount of applications. Copper beryllium rwma class 4 copper alloy c17200 cadi. The beryllium industry produces three primary forms of beryllium. Beryllium copper alloys high strength spring copper aviva. The ultimate tensile strength can exceed 200 ksi, while the hardness approaches rockwell c45. Beryllium copper combines high strength with nonmagnetic and nonsparking qualities. It is extremely ductile, and as such can be stamped into complex shapes with tight tolerances.
C17200 beryllium copper ams 4535 is the most specified copper beryllium and is available at morgan bronze in both solution and precipitation heat treated tubing as well as solution heat treated rod and bar. Material safety data sheet copper beryllium wrought alloy. The inhalation of beryllium in a finely divided form can cause a serious lung condition in some individuals. These alloys are used for all applications, which require high strength, stiffness and good conductivity. Johnson space center, ms es5, houston, texas 77058.
Selected chemical and physical properties of beryllium, beryllium aluminium and beryllium copper alloys, and. Heat treating copper beryllium parts heat treating is key to the versatility of the copper beryllium alloy system. High strength the greatest strength up to 1,400 mpa 200,000 psi of all. Copperberyllium, strength, stress relaxation resistance. Meet tomorrows technological challenges demands for cost, quality, miniaturisation, reliability, safety, environmental protection and highend general performance require suitable highperformance alloys such as beryllium copper. Call our tollfree technical assistance hotline at 1. Beryllium copper is a copper alloy that is composed of beryllium bronze and spring copper. The best way to increase the electrical and thermal conductivity of copper is to decrease the impurity levels. Beryllium copper s electrical properties provide shielding effectiveness over an extremely. C17200 beryllium copper is manufactured to provide a combination of high strength and hardness properties coupled with superior thermal properties. In 1798, beryllium was discovered by louisnicholas vauquelin. Its mechanical and electrical properties make it the ideal material for rfiemi shielding products. Beryllium 2 agehardening copper basedalloys 2 heat treatment and phase diagram of cube 3 delivery temper 4 applications 5 alloys 6 copper beryllium 6 physical properties 7 designation and chemical composition % 7 physical properties 7 references specifications 7 products 8 standard products forms 8 strip and plate 8. Precautions must therefore be taken in melting, casting, machining and welding of beryllium copper.
Additions of other elements to copper strengthen it and form copper alloys, including brasses, phosphor bronzes and copper nickels. As a result of the increasing industrial use of beryllium, occupational exposure to the metal may be an important issue. Heat treating copper beryllium by technical service department brush wellman inc. Material properties of highstrength berylliumfree copper alloys. Unlike other copper base alloys which acquire their strength through cold work alone, wrought copper beryllium obtains its high strength, conductivity, and hardness through a combination of. Pdf material properties of highstrength berylliumfree copper alloys. Beryllium copper also has an elastic modulus 10 to 20 percent higher than other specialty copper alloys. T beryllium, exposure to which can increase your risk of lung cancer. Beryllium cancercausing substances national cancer. In its age hardened condition c17200 attains the highest strength and hardness of any commercial copper based alloy. Copper beryllium is the highest strength copper alloy and is specified when the mechanical strength is the limiting design feature for a copper alloy. C17200 is also known as alloy 25 and is the most commonly utilized beryllium copper alloy and is notable for exhibiting the highest strength and hardness compared to commercial copper alloys.
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