EN 12163 Grade CuAl11Fe6Ni6 R830

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Description

CuAl11Fe6Ni6 (CW308G) is a wrought alloy of high strength, also at increased temperatures. The strength properties of cold formable wrought alloys are primarily dependent on the deformation grade. Tensile strength, yield strength and hardness rise according to the increasing cold forming grade. Elongation after fracture and contraction at fracture are decreasing. Thermal conductivity is reduced by the Al-content, electrical conductivity decreases according to the increasing AL-content. CuAl10Ni5Fe4 has a high strength at high temperatures up to approx. 300°C and a high endurance strength also at corrosion strain. The alloy has a particularly high strength as well as high corrosion and wear resistance to saltwater, sulfite bases and mineral acids. Processing properties: warm forming: good cold forming: unfavorable machinability: moderately soft soldering: unfavorable hard soldering: moderately gas-shielded welding: good burnishing: good The material is used for construction parts of higher strength, higher loaded bearing parts, pivot bearings at impact loading as well as for valves, valve seats, cover plates, link blocks, wear parts, die plates for chipless forming and for hot steam instruments.

Related Standards

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

7.4 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

127 GPa

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Elongation

20.0 °C

3 %

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Elongation A11.3

20.0 °C

2 %

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Poisson's ratio

23.0 °C

0.33 [-]

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Typical for Leaded Phosphor Bronze

Shear modulus

20.0 °C

45 GPa

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Tensile strength

20.0 °C

830 MPa

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Yield strength Rp0.2

20.0 °C

550 - 680 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.5E-5 - 1.9E-5 1/K

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Typical for Leaded Phosphor Bronze

Specific heat capacity

23.0 °C

380 J/(kg·K)

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Typical for Leaded Phosphor Bronze

Thermal conductivity

20.0 °C

40 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

5.00E+6 S/m

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Chemical properties

PropertyValue

Aluminium

10.5 - 12.5 %

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Copper

70.95 %

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Iron

5 - 7 %

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Lead

0.05 %

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Manganese

1.5 %

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Nickel

5 - 7 %

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Silicon

0.2 %

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Tin

0.1 %

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Zinc

0.5 %

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