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EN 12165 CuNi7Zn39Pb3Mn2 Alloy – High‑Strength H110 Grade for Bars & Forged Parts

Material CuNi7Zn39Pb3Mn2, mat. No. CW400J, is incomparable to a DIN-mark. It is used in the form of bars, prematerial for forged parts, forged parts, wires and profiles.

Properties

General

Property	Temperature	Value
Density	20.0 °C	8.44 - 8.5 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	120 GPa
Hardness, Brinell	20.0 °C	110 [-]
Hardness, Vickers	20.0 °C	115 [-]
Poisson's ratio	23.0 °C	0.32 [-]	Typical for Wrought Copper Nickel Silver Grade
Tensile strength	20.0 °C	460 MPa
Yield strength Rp0.2	20.0 °C	250 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	1.6E-5 - 1.9E-5 1/K	Typical for Wrought Copper Nickel Silver Grade
Melting point		875 - 1135 °C	Typical for Wrought Copper Nickel Silver Grade
Specific heat capacity	23.0 °C	377 J/(kg·K)	Typical for Wrought Copper Nickel Silver Grade
Thermal conductivity	20.0 °C	30 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	20.0 °C	3.00E+6 S/m
Specific Electrical conductivity		5 % IACS

Chemical properties

Property	Value
Copper	47 - 50 %
Iron	0.3 %
Lead	2.3 - 3.3 %
Manganese	1.5 - 3 %
Nickel	6 - 8 %
Tin	0.2 %

EN 12167 Grade CuNi2Si R600: High-Performance Hardenable Copper Alloy EN 12165 CuZn23Al6Mn4Fe3Pb H180 – Superior Strength & Corrosion Resistance

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