EN 12166 Grade CuCo2Be R240

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Description

Cuco2Be, mat. No CW104C, is counted among hardenable, low alloyed copper alloys. To the comparable make Cuco2Be, mat. No 2.1285, acc. to DIN 17666 : 1983-12 applies: CuCo2Be achieves compared to CuBe2 at slightly lower hardness and strength values higher electrical and thermal conductivity. The temperature for removal of workhardening approximates 500°C, high corrosion resistance. Processing properties: hot and cold forming: good machinability: moderately hard and soft soldering: good gas shielded welding: good burnishing: good Application: In relay and switch construction for high loadable, live springs and for radiant heaters at semi conductors. Furthermore for resistance and welding electrodes as well as for pistons, plunger and punching tools. For the electrolytically tinned strip the coatings (Sn bright, Sn matt, Sn fuzed, SnPb) are listed by the application (better solderability, better corrosion resistance, reduction of the electrical contact resistance, better appearance) in the DIN EN 14436 : 2004-11 (Table 5)

Related Standards

Equivalent Materials

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Eigenschaften

Allgemein

Property	Temperature	Value
Dichte	20.0 °C	8.8 g/cm³ Show Material materials with Dichte of 8.8 g/cm³

Mechanisch

Property	Temperature	Value	Comment
Dehnung A50	20.0 °C	20 % Show Material materials with Dehnung A50 of 20 %
Elastizitätsmodul	23.0 °C	110 - 130 GPa Show Material materials with Elastizitätsmodul of 110 - 130 GPa	Typical for Wrought Copper High Copper Alloy
Streckgrenze Rp 0,2	20.0 °C	130 - 220 MPa Show Material materials with Streckgrenze Rp 0,2 of 130 - 220 MPa
Zugfestigkeit	20.0 °C	240 MPa Show Material materials with Zugfestigkeit of 240 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	23.0 °C	1.6E-5 - 1.8E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.6E-5 - 1.8E-5 1/K	Typical for Wrought Copper High Copper Alloy
Max. Betriebstemperatur, lang		0 - 350 °C Show Material materials with Max. Betriebstemperatur, lang of 0 - 350 °C
Schmelzpunkt		855 - 1090 °C Show Material materials with Schmelzpunkt of 855 - 1090 °C	Typical for Wrought Copper High Copper Alloy
Spezifische Wärmekapazität	23.0 °C	360 - 420 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 360 - 420 J/(kg·K)	Typical for Wrought Copper High Copper Alloy

Chemical properties

Property	Value
Beryllium	0.4 - 0.7 % Show Material materials with Beryllium of 0.4 - 0.7 %
Eisen	0.2 % Show Material materials with Eisen of 0.2 %
Kobalt	2 - 2.8 % Show Material materials with Kobalt of 2 - 2.8 %
Nickel	0.3 % Show Material materials with Nickel of 0.3 %

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