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H04 C14700 Copper vs. H04 C75700 Nickel Silver

Both H04 C14700 copper and H04 C75700 nickel silver are copper alloys. Both are furnished in the H04 (full hard) temper. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is H04 C14700 copper and the bottom bar is H04 C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 9.6
3.2
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
45
Shear Strength, MPa 190
350
Tensile Strength: Ultimate (UTS), MPa 320
610
Tensile Strength: Yield (Proof), MPa 250
580

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1080
1040
Melting Onset (Solidus), °C 1070
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 370
40
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 95
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 96
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
19
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1410
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
20
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 12
23

Alloy Composition


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Copper (Cu), % 99.395 to 99.798
63.5 to 66.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 13
Phosphorus (P), % 0.0020 to 0.0050
0
Sulfur (S), % 0.2 to 0.5
0
Zinc (Zn), % 0
19.2 to 25.5
Residuals, % 0 to 0.1
0 to 0.5