EN 1652 Grade CuBe2 TH

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Description

CuBe2, mat. No CW101C, is counted among hardenable, low alloyed copper alloys. To the comparable make CuBe2, mat. No 2.1247, acc. to DIN 17666 : 1983-12 applies: It is an alloy of optimal hardenability for highest requirements to strength, elasticity, abrasion and fatigue resistance. CuBe2 shows mean electrical and favorable thermal conductivity. The material does not show any embrittlement at lower temperatures (up to -200°C) as well as no stress corrosion sensitivity. The temperature for removal of workhardening approximates 350°C. Processing properties: hot and cold forming: good machinability: moderately hard and soft soldering: good gas shielded welding: good burnishing: good Application: For bearing jewels and screws, tensioning belts and wires, membranes, balance springs and drawn parts for watches, all types of springs. Individual parts for HF- and NF- special couplers, wear-resistant worms and gear-wheels, high-stress solid components, non-magnetic and spark-safe. 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

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.3 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

135 GPa

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Elongation

20.0 °C

2 - 15 %

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Elongation A10

20.0 °C

6 - 8 %

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Elongation A100

20.0 °C

5 - 10 %

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Elongation A50

20.0 °C

2 - 16 %

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Hardness, Brinell

20.0 °C

155 - 350 [-]

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Hardness, Vickers

20.0 °C

120 - 450 [-]

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Tensile strength

20.0 °C

510 - 1520 MPa

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Yield strength Rp0.2

20.0 °C

450 - 1420 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

300.0 °C

1.7E-5 1/K

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Melting point

855 - 1090 °C

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Typical for Wrought Copper High Copper Alloy

Specific heat capacity

23.0 °C

360 - 420 J/(kg·K)

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Typical for Wrought Copper High Copper Alloy

Thermal conductivity

20.0 °C

92 - 125 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

8.00E+6 - 1.80E+7 S/m

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Specific Electrical conductivity

23 % IACS

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Chemical properties

PropertyValue

Beryllium

1.8 - 2.1 %

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Cobalt

0.3 %

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Iron

0.2 %

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Nickel

0.3 %

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