RWMA Class 4 C172 Beryllium Copper Wiring TD03 Or TD04 Temper
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RWMA Class 4 C172 beryllium copper wiring TD03 or TD04 Temper Product Description:
CUBERYLLIUM® manufactures copper beryllium in several distinct compositions. These fall into two categories: alloys selected for high strength (Alloys 172,173,170) and alloys selected for high conductivity (Alloys 751,750,741). And Gost standard QBe2,QBe1.9Ti for Russia Market. Also Supply Master alloy : CuBeryllium-200; CuBeryllium-275);CuBeryllium-350 and Cuberyllium-400 to global factory.
Copper Beryllium C17200 is the highest strength copper alloy and is specified when the mechanical strength is the limiting design feature for a copper alloy. It is a heat treatable copper alloy having the unusual combination of very high hardness and strength and lower electrical conductivity than AWS J1.3/ RWMA Class 3 materials.
Cu¹:Copper plus additions equal 99.5% Min.
Application of RWMA Class 4 C172 Beryllium Copper Alloy:
Typical Physical Properties of RWMA Class 4 C172 Beryllium Copper Alloy:
Key Technology of Beryllium Copper(Heat treatment) Heat treatment is the most important process for this alloy system. While all copper alloys are hardenable by cold working, beryllium copper is unique in being hardenable by a simple low temperature thermal treatment. It involves two basic steps. The first is called solution annealing and the second, precipitation or age hardening. Solution Annealing For the typical alloy CuBe2Pb) the alloy is heated between 720°C and 860°C. At this point the contained beryllium is essentially “dissolved” in the copper matrix (alpha phase). By rapidly quenching to room temperature this solid solution structure is retained. The material at this stage is very soft and ductile and can be readily cold worked by drawing, forming rolling, or cold heading. The solution annealing operation is part of the process at the mill and is not typically used by the customer. Temperature, time at temperature, quench rate, grain size, and hardness are all very critical parameters and are tightly controlled by ohmalloy. Age Hardening Age hardening significantly enhances the material’s strength. This reaction is generally carried out at temperatures between 260°C and 540°C depending on alloy and desired characteristics. This cycle causes the dissolved beryllium to precipitate as a beryllium rich (gamma) phase in the matrix and at the grain boundaries. It is the formation of this precipitate which causes the large increase in material strength. The level of mechanical properties attained is determined by the temperature and time at temperature. It should be recognized that beryllium copper has no room temperature aging characteristics.
Product Photo:
Why choose Cuberyllium Metal for beryllium copper alloy products? |
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