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CuNi18Zn20 | CW409J Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
CW409J (DIN EN 12166 : 2011-08) CW409J DIN EN 12166 : 2011-08 DIN EN 12166 : 2011-08 replaced by DIN EN 12166 : 2016-11 Replaced Germany CuNi18Zn20 CuNi18Zn20 3.2 1)
1) Remark: Material CuNi18Zn20, mat. No. CW409J is an alloy of high strength and hardness. To the comparabel mark CuNi18Zn20, mat. No. 2.0740, acc. to DIN 17663 : 1983-12 applies: 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. Processing properties: warm forming: moderately cold forming: very good machinability: moderately hard and soft soldering: very good TIG-welding: very good burnishing: very good Application: In electrical engineering and electronics for springs, contacts, membranes as well as in precision engineering and in equipment manufacturing. In food industry, for musical instruments, glasses frames, safety keys as well as in construction trade for paneling, show-cases and stairrails.

Chemical Composition

Cu [%] Fe [%] Mn [%] Ni [%] Pb [%] Sn [%]
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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 HV
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Physical Properties

Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Poisson's Ratio 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)] 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
CuNi18Zn20 Bulgaria BDS 13709-76
CuNi18Zn20 Europe EN 12166
CuNi18Zn20 International ISO 430-83
MZN20N18 Poland PN-77/H-87027
CuNi18Zn20 Romania STAS 1096-83
CuNi18Zn20 Hungary MSZ 771/1-77
B151 UNS C76400 USA ASTM B151
B206 UNS C76400 USA ASTM B206
CuNi18Zn20 Germany DIN 17663 1)
2.0740 Germany DIN 17663 1)
1) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename Supplier
281 William Prym Holding GmbH, Stolberg
4203 VDM Metals GmbH, Frankfurt/Main
CuNi18Zn20 Heraeus Deutschland GmbH & Co. KG, Hanau
CuNi18Zn20 CSN Carl Schreiber GmbH, Neunkirchen
CuNi18Zn20 KME Germany GmbH, Osnabrück
CuNi18Zn20 Feindrahtwerk Adolf Edelhoff GmbH & Co, Iserlohn
CuNi18Zn20 Schreier Metall GmbH, Erkrath
CuNi18Zn20 G.Rau GmbH & Co. KG, Pforzheim
CuNi18Zn20 Gebr. Kemper GmbH + Co, Olpe/Biggesee
CuNi18Zn20 Wieland Metal Services Germany GmbH, Düsseldorf
CuNi18Zn20 Eugen Geyer GmbH, Königsbach-Stein
CuNi18Zn20 J.G. Dahmen & Co. GmbH & Co. KG, Iserlohn
CuNi18Zn20 Manfred J.C. Niemann, Bremen
N18 Wieland-Werke AG, Ulm
N19 Wieland-Werke AG, Ulm
N28 Wieland-Werke AG, Ulm
NB18 Sundwiger Messingwerk GmbH & Co.KG, Hemer
ND18 Sundwiger Messingwerk GmbH & Co.KG, Hemer
Neusilber 62/18 VDM Metals GmbH, Frankfurt/Main
Ns 62 18 Le Bronze alloys Germany GmbH, Lüdenscheid

Material Compliance

REACh RoHS
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Linear-elastic

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

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Coefficient thermal expansion

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

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

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

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

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

Designation Material number Source
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Yield strength

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

Temperature [°C] Tensile strength [MPa]
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Classification

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

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

Temperature [°C] Tensile strength [MPa]
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Classification

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

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

Temperature [°C] Tensile strength [MPa]
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Classification

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

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

Temperature [°C] Tensile strength [MPa]
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Classification

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

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

Temperature [°C] Tensile strength [MPa]
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Classification

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