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C93700 Bronze vs. C70400 Copper-nickel

Both C93700 bronze and C70400 copper-nickel are copper alloys. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C93700 bronze and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
120
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 37
45
Tensile Strength: Ultimate (UTS), MPa 240
300 to 310
Tensile Strength: Yield (Proof), MPa 130
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 930
1120
Melting Onset (Solidus), °C 760
1060
Specific Heat Capacity, J/kg-K 350
390
Thermal Conductivity, W/m-K 47
64
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
14
Electrical Conductivity: Equal Weight (Specific), % IACS 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 33
32
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 79
38 to 220
Stiffness to Weight: Axial, points 6.2
7.5
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 7.5
9.3 to 9.8
Strength to Weight: Bending, points 9.6
11 to 12
Thermal Diffusivity, mm2/s 15
18
Thermal Shock Resistance, points 9.4
10 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 78 to 82
89.8 to 93.6
Iron (Fe), % 0 to 0.15
1.3 to 1.7
Lead (Pb), % 8.0 to 11
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 1.0
4.8 to 6.2
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.8
0 to 1.0
Residuals, % 0
0 to 0.5