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CuNi18Zn19Pb1 | CW408J Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification
CW408J (DIN EN 12164 : 2011-08)	CuNi18Zn19Pb1	CW408J	DIN EN 12164 : 2011-08	DIN EN 12164 : 2011-08 replaced by DIN EN 12164 : 2016-11	Replaced	Germany	CuNi18Zn19Pb1	CuNi18Zn19Pb1	3.2	1)
1) Remark: Material CuNi18Zn19Pb1, mat. No. CW408J is an alloy of high strength and hardness. Strength is further increasable due to the high strain hardening capability. The material does not embrittle at low temperatures. Low electrical and thermal conductivity. The alloy is non-magnetic, corrosion resistance is better than for pure copper. Machinability improves by Pb-addition, ductility decreases and cold workabiliy deteriorates. Processing properties: warm forming: unfavorable cold forming: moderately machinability: good hard and soft soldering: very good TIG-welding: moderately burnishing: good Application: Particularly in precision engineering and in toolbuilding for turning and drilling parts, in electrical engineering and electronics as well as in shipbuilding and in construction trade.

Chemical Composition

Cu [%]	Fe [%]	Mn [%]	Ni [%]	Pb [%]	Sn [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Semi-finished Product	Strength Abbrevation	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A100 [%]	Elongation A11,3 [%]	Elongation A [%]	Hardness HB \| HBW
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Physical Properties

Temperature [°C]	Melting Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion [10^-6*K^-1]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Electric Conductivity [MS/m]	Specific Electric Conductivity [% IACS]
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Cross Reference

Material Name	Country	Standard
CuNi18Zn19Pb1	International	ISO 430	1)
CuNi18Zn19Pb1	Germany	DIN 17663	2)
2.0790	Germany	DIN 17663	2)
C76300	USA	UNS
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename	Supplier
CuNi18Zn19Pb1	Manfred J.C. Niemann, Bremen
N37	Wieland-Werke AG, Ulm