Compare Plastics, Metals, and More for Construction, Design, and Simulation - Materials Portal

CuZn31Si1 | CW708R Material Datasheet

Unlock Exclusive Materials Data

Gain access to a wealth of materials data by joining our Materials Portal.

Register for Free or Upgrade for Full Access

Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification
CW708R (DIN EN 12163 : 2016-11)	CuZn31Si1	CW708R	DIN EN 12163 : 2016-11	DIN EN 12163 : 2016-11 replaced by DIN EN 12163 : 2024-12	Replaced	Germany	CuZn31Si1	CuZn31Si1	3.2	1)
1) Remark: Copper alloy rod for general purposes.

Chemical Composition

Cu [%]	Fe [%]	Ni [%]	Pb [%]	Si [%]	Remainder
blur	blur	blur	blur	blur	blur	1)2)
1) Source: blur
2) Remark: blur

Material Compliance

REACh	RoHS
blur	blur

Mechanical Properties

Semi-finished Product	Strength Abbrevation	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A11,3 [%]	Elongation A [%]	Hardness HB \| HBW	Hardness HV
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

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]
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	3)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	3)
1) Source: blur
2) Source: blur
3) Source: blur

Heat Treatment

Heat Treatment	Temperature [°C]
blur	blur	1)
blur	blur	1)
blur	blur	1)
1) Source: blur

Cross Reference

Material Name	Country	Standard
CuZn31Si1	Europe	EN 12163
CuZn31Si1	International	ISO 426-1	1)
C69800	USA	UNS	1)
CuZn31Si1	Germany	DIN 17660	2)
2.0490	Germany	DIN 17660	2)
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename	Supplier
2268	OTTO FUCHS KG, Meinerzhagen
230	William Prym Holding GmbH, Stolberg
3721	VDM Metals GmbH, Frankfurt/Main
469	Diehl Metall Stiftung & Co. KG, Röthenbach
Aeterna L 53	VDM Metals GmbH, Frankfurt/Main
CuZn31Si	Schreier Metall GmbH, Erkrath
CuZn31Si	Wieland Metal Services Germany GmbH, Düsseldorf
CuZn31Si	Wieland Metal Services Germany GmbH, Düsseldorf
CuZn31Si1	CSN Carl Schreiber GmbH, Neunkirchen
CuZn31Sn	Manfred J.C. Niemann, Bremen
S31	Wieland-Werke AG, Ulm
ZB 68	ZOLLERN GmbH & Co. KG, Sigmaringen

Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Bulk modulus [GPa]	Shear modulus [GPa]	Poisson's ratio
blur	blur	blur	blur	blur
blur	blur	blur	blur	blur

Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
blur	blur	blur	blur

Electrical resistivity

Temperature [°C]	Specific electrical resistance [µΩm]
blur	blur
blur	blur

Coefficient thermal expansion

Related Temperature [°C]	Temperature [°C]	Coefficient thermal expansion [10^-6*K^-1]
blur	blur	blur

Specific heat

Temperature [°C]	Specific heat [kJ/(kg*K)]
blur	blur
blur	blur
blur	blur

Density

Temperature [°C]	Density [g/cm³]
blur	blur

Tensile strength

Temperature [°C]	Tensile strength [MPa]
blur	blur

Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
blur	blur
blur	blur
blur	blur

Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur

Designation

Designation	Material number	Source
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur
blur	blur	blur

Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
blur	blur	blur	blur

Tensile strength

Temperature [°C]	Tensile strength [MPa]
blur	blur

Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur

Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
blur	blur	blur	blur

Tensile strength

Temperature [°C]	Tensile strength [MPa]
blur	blur

Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur

Electrical resistivity

Temperature [°C]	Specific electrical resistance [µΩm]
blur	blur
blur	blur

Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur