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H04 C75700 Nickel Silver vs. H04 C78200 Nickel Silver

Both H04 C75700 nickel silver and H04 C78200 nickel silver are copper alloys. Both are furnished in the H04 (full hard) temper. They have a very high 96% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is H04 C75700 nickel silver and the bottom bar is H04 C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2
4.0
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 45
43
Shear Strength, MPa 350
370
Tensile Strength: Ultimate (UTS), MPa 610
590
Tensile Strength: Yield (Proof), MPa 580
550

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1040
1000
Melting Onset (Solidus), °C 990
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
48
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 3.6
3.3
Embodied Energy, MJ/kg 56
52
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
23
Resilience: Unit (Modulus of Resilience), kJ/m3 1410
1330
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 12
15
Thermal Shock Resistance, points 23
19

Alloy Composition


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Copper (Cu), % 63.5 to 66.5
63 to 67
Iron (Fe), % 0 to 0.25
0 to 0.35
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 11 to 13
7.0 to 9.0
Zinc (Zn), % 19.2 to 25.5
20.2 to 28.5
Residuals, % 0 to 0.5
0 to 0.5