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C67300 Bronze vs. C74400 Nickel Silver

Both C67300 bronze and C74400 nickel silver are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 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 C67300 bronze and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 12
43
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
39
Shear Strength, MPa 300
240
Tensile Strength: Ultimate (UTS), MPa 500
350
Tensile Strength: Yield (Proof), MPa 340
120

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 870
930
Melting Onset (Solidus), °C 830
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 95
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
26
Electrical Conductivity: Equal Weight (Specific), % IACS 25
29

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
120
Resilience: Unit (Modulus of Resilience), kJ/m3 550
63
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
12
Strength to Weight: Bending, points 17
14
Thermal Diffusivity, mm2/s 30
37
Thermal Shock Resistance, points 16
12

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Copper (Cu), % 58 to 63
62 to 66
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0.4 to 3.0
0 to 0.050
Manganese (Mn), % 2.0 to 3.5
0
Nickel (Ni), % 0 to 0.25
2.0 to 4.0
Silicon (Si), % 0.5 to 1.5
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 27.2 to 39.1
29.6 to 36
Residuals, % 0
0 to 0.3