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CuSn4Pb4Zn4 | CW456K Material Datasheet

Material Test Series Values
Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	VDA 231-106 classification
CW456K (DIN EN 12164 : 2024-12)	CW456K	DIN EN 12164 : 2024-12	Supersedes DIN EN 12164 : 2016-11	Valid	Germany	CuSn4Pb4Zn4	3.2	1)
1) Remark: Copper alloy rod for free machining purposes.

Chemical Composition

Fe [%]	Ni [%]	P [%]	Pb [%]	Sn [%]	Te [%]	Zn [%]
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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

Condition	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)]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]	Electric Conductivity [MS/m]	Specific Electric Conductivity [% IACS]
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Cross Reference

Material Name	Country	Standard
CuSn4Pb4Zn4	China	GB/T 5233
QSn4-4-4	China	GB/T 5233
BrOCS4-4-4	Russia	GOST 5017
БpOЦC4-4-4	Russia	ГОСТ 5017
C54400	USA	UNS
B139 UNS C54400	USA	ASTM B139
C54400	USA	SAE J461
C54400	USA	SAE J463
CuSn4Pb4Zn4	Europe	EN 12164
MSnBz4Pb	Germany
2.1076	Germany

Producer/Supplier/Trade names

Tradename	Supplier
Bronze 3444	L. Klein AG, Biel
CuSn4Pb4Zn4	Wieland Metal Services Germany GmbH, Düsseldorf
B44	Wieland-Werke AG, Ulm