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C94300 Bronze vs. C74500 Nickel Silver

Both C94300 bronze and C74500 nickel silver are copper alloys. They have 66% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C94300 bronze and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 9.7
3.0 to 24
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 32
44
Tensile Strength: Ultimate (UTS), MPa 180
390 to 700
Tensile Strength: Yield (Proof), MPa 120
380 to 600

Thermal Properties

Latent Heat of Fusion, J/g 150
190
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 820
1020
Melting Onset (Solidus), °C 760
970
Specific Heat Capacity, J/kg-K 320
390
Thermal Conductivity, W/m-K 63
45
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
29
Density, g/cm3 9.3
8.3
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 47
54
Embodied Water, L/kg 370
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
12 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 77
620 to 1540
Stiffness to Weight: Axial, points 5.2
7.7
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.2
13 to 23
Strength to Weight: Bending, points 7.4
14 to 21
Thermal Diffusivity, mm2/s 21
14
Thermal Shock Resistance, points 7.1
13 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 67 to 72
63.5 to 66.5
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 23 to 27
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.0
9.0 to 11
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 0 to 0.8
21.2 to 27.5
Residuals, % 0
0 to 0.5