UNS C78200 Leaded Nickel Silver
Nickel Alloys
OS015 (annealed to 0.015mm grain size)
Property Overview
Density8.4g/cm³
Elastic Modulus110GPa
Tensile Strength410MPa
Yield Strength200MPa
Brinell HardnessUnknown
Maximum Service Temperature160°C
Chemical Composition
NI
7.0 to 9.0%
MN
0 to 0.5%
CU
63 to 67%
PB
1.5 to 2.5%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
20.2 to 28.5%
FE
0 to 0.35%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
32 %
Poisson's Ratio
0.32
Shear Modulus
43 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
410 MPa
Tensile Strength: Yield (Proof)
200 MPa
Hardness
Rockwell F Hardness
85
Physical
Density
8.4 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
1000 °C
Melting Onset (Solidus)
970 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
48 W/m-K
Thermal Diffusivity
15 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
11 % IACS
Electrical Conductivity: Equal Weight (Specific)
12 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
180 kJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
13 points
Strength to Weight: Bending
15 points
Environmental
Base Metal Price
28 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
52 MJ/kg
Embodied Energy
52 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C78200UNS C78200 Leaded Nickel Silver