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C93800 Bronze vs. C97800 Nickel Silver

Both C93800 bronze and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is C93800 bronze and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
130
Elongation at Break, % 9.7
10
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 35
48
Tensile Strength: Ultimate (UTS), MPa 200
370
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 140
230
Melting Completion (Liquidus), °C 940
1180
Melting Onset (Solidus), °C 850
1140
Specific Heat Capacity, J/kg-K 340
390
Thermal Conductivity, W/m-K 52
25
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
40
Density, g/cm3 9.1
8.8
Embodied Carbon, kg CO2/kg material 3.2
5.1
Embodied Energy, MJ/kg 51
76
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
31
Resilience: Unit (Modulus of Resilience), kJ/m3 70
120
Stiffness to Weight: Axial, points 5.9
8.1
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 6.1
12
Strength to Weight: Bending, points 8.4
13
Thermal Diffusivity, mm2/s 17
7.3
Thermal Shock Resistance, points 8.1
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.8
0 to 0.2
Copper (Cu), % 75 to 79
64 to 67
Iron (Fe), % 0 to 0.15
0 to 1.5
Lead (Pb), % 13 to 16
1.0 to 2.5
Nickel (Ni), % 0 to 1.0
24 to 27
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 6.3 to 7.5
4.0 to 5.5
Zinc (Zn), % 0 to 0.8
1.0 to 4.0
Residuals, % 0
0 to 0.4