UNS C79200 (CW404J) Leaded Nickel Silver
Other
H04 (full hard)
Property Overview
Density8.4g/cm³
Elastic Modulus120GPa
Tensile Strength540MPa
Yield Strength500MPa
Brinell HardnessUnknown
Maximum Service Temperature170°C
Chemical Composition
NI
11 to 13%
MN
0 to 0.5%
CU
59 to 66.5%
PB
0.8 to 1.4%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
17.9 to 29.2%
FE
0 to 0.25%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Elongation at Break
3.6 %
Poisson's Ratio
0.32
Shear Modulus
44 GPa
Shear Strength
310 MPa
Tensile Strength: Ultimate (UTS)
540 MPa
Tensile Strength: Yield (Proof)
500 MPa
Physical
Density
8.4 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
170 °C
Melting Completion (Liquidus)
950 °C
Melting Onset (Solidus)
910 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
42 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
18 points
Electrical
Electrical Conductivity: Equal Volume
28 % IACS
Electrical Conductivity: Equal Weight (Specific)
30 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
19 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1100 kJ/m 3
Stiffness to Weight: Axial
7.7 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
30 % relative
Embodied Carbon
3.6 kg CO 2 /kg material
Embodied Energy
56 MJ/kg
Embodied Energy
56 MJ/kg 24 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C79200CW404JCW404JCuNi12Zn25Pb1UNS C79200 (CW404J) Leaded Nickel Silver
Standards
ASTM B151 ASTM B151: Standard Specification for Copper-Nickel-Zinc Alloy (Nickel Silver) and Copper-Nickel Rod and Bar
EN 1652 EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes