EN 12163 Grade CuZn10 R270

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Description

CuZn10 (CW501L) is an unhardenable wrought alloy. High hardness and strength parameter are achievable by cold forming only. Thermal conductivity is lower than for CuZn5. Favorable electrical conductivity. Corrosion resistance is similar to pure copper. Processing properties: warm forming: moderately cold forming: good machinability: unfavorable hard and soft soldering: very good TIG-welding: good burnishing: good CuZn10 is used in electrical engineering, for metal goods as well as in jewelry and watches industry, for projectile casings and as cladding and enamelling material. 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

8.79 - 8.8 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

124 GPa

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100.0 °C

123 GPa

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200.0 °C

118 GPa

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300.0 °C

113 GPa

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400.0 °C

107 GPa

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500.0 °C

98 GPa

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600.0 °C

88 GPa

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700.0 °C

78 GPa

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Elongation

20.0 °C

28 - 45 %

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Elongation A10

20.0 °C

25 %

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Elongation A100

20.0 °C

20 %

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Elongation A11.3

20.0 °C

40 %

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Poisson's ratio

20.0 °C

0.34 [-]

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Shear modulus

20.0 °C

46 GPa

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Tensile strength

20.0 °C

240 - 270 MPa

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Yield strength Rp0.2

20.0 °C

80 - 150 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

200.0 °C

1.9E-5 1/K

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Melting point

875 - 1075 °C

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Typical for Wrought Copper Brass

Specific heat capacity

20.0 °C

376 - 377 J/(kg·K)

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100.0 °C

398 J/(kg·K)

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200.0 °C

410 J/(kg·K)

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300.0 °C

419 J/(kg·K)

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400.0 °C

431 J/(kg·K)

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500.0 °C

444 J/(kg·K)

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600.0 °C

452 J/(kg·K)

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700.0 °C

465 J/(kg·K)

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Thermal conductivity

20.0 °C

184 W/(m·K)

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80.0 °C

197 W/(m·K)

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120.0 °C

209 W/(m·K)

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160.0 °C

218 W/(m·K)

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200.0 °C

226 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

2.47E+7 - 2.50E+7 S/m

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Electrical resistivity

20.0 °C

4.1E-8 Ω·m

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Specific Electrical conductivity

43 % IACS

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Chemical properties

PropertyValue

Aluminium

0.02 %

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Copper

89 - 91 %

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Iron

0.05 %

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Lead

0.05 %

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Nickel

0.3 %

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Tin

0.1 %

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