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C75700 Nickel Silver vs. C90300 Bronze

Both C75700 nickel silver and C90300 bronze are copper alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C90300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
22
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 590 to 610
330
Tensile Strength: Yield (Proof), MPa 470 to 580
150

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1040
1000
Melting Onset (Solidus), °C 990
850
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 40
75
Thermal Expansion, µm/m-K 16
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
33
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 56
56
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
59
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
110
Stiffness to Weight: Axial, points 7.8
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 20
11
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 12
23
Thermal Shock Resistance, points 22 to 23
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 63.5 to 66.5
86 to 89
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.3
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Zinc (Zn), % 19.2 to 25.5
3.0 to 5.0
Residuals, % 0 to 0.5
0 to 0.6