DIN. 2.1247 CuBe2 Half Hard Rolled Strips On Coil 0,10x8mm

CuBe2 (DIN. 2.1247) Half Hard Rolled Strips On Coil 0,10x8mm With High Strength

Product Normal Description:

Product Name: Half hard rolled strips

Grade: CuBe2(DIN. 2.1247)

Standard: ASTM B194, SAE J463, J461

Product Specification: 0,10mmx8mm

State: Half hard rolled

Product Brand: CUBERYLLIUM®

Chemical Composition of CuBe2 (DIN. 2.1247) Alloys:

Beryllium(Be): 1.80-2.00%

Cobalt(Co) + Nickel(Ni): 0.20% Min

Cobalt(Co) + Nickel(Ni) + Iron(Fe): 0.60% Max

Lead: 0.02% Max

Copper(Cu): Balance

Note: Copper plus additions equal 99.5% Minimum.

Temper Designations of CuBe2 (DIN. 2.1247) Strip:

Tipical Uses of CuBe2(DIN. 2.1247) Alloys:

Oil & Gas - Instrument Housings, Flex Shafts, MWD & LWD Components, Bearings, Bushings, Valve Components, Pump Shafts

Automotive - Plastic Molds, Electronic Components, RWMA Tooling

Electrical - Spring Connectors, Current Carring Navigational Instruments, Contact Bridges, Clips, Relay Parts, Electrical Switch and Relay Blades

Aerospace - Landing Gear Bushings, Aircraft Components, Cryogenics

Fasteners - Bolts, Screws, Retaining Rings, Lock Washers, Belleville Washers, Roll Pins, Fasteners, Washers

Other Industrial - Flexible Metal Hose, Non Sparking Safety Tools, Shafts, Pump Parts, Rolling Mill Parts, Bearings, Bushings, Valve Seats, Valve Stems, Wear Plates on Heavy Equipment, Springs, Electrochemical

Specifications of CuBe2 (DIN. 2.1247) Alloys:

Product Photo of CuBe2 (DIN. 2.1247) Strips:

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.

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