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C83800 Bronze vs. C74400 Nickel Silver

Both C83800 bronze and C74400 nickel silver are copper alloys. They have 71% 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 C83800 bronze and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
43
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
39
Tensile Strength: Ultimate (UTS), MPa 230
350
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 1000
930
Melting Onset (Solidus), °C 840
910
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
120
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
26
Electrical Conductivity: Equal Weight (Specific), % IACS 15
29

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
120
Resilience: Unit (Modulus of Resilience), kJ/m3 53
63
Stiffness to Weight: Axial, points 6.6
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4
12
Strength to Weight: Bending, points 9.6
14
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 8.6
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 82 to 83.8
62 to 66
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 5.0 to 7.0
0 to 0.050
Nickel (Ni), % 0 to 1.0
2.0 to 4.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 3.3 to 4.2
0
Zinc (Zn), % 5.0 to 8.0
29.6 to 36
Residuals, % 0
0 to 0.3