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C83800 Bronze vs. C70700 Copper-nickel

Both C83800 bronze and C70700 copper-nickel are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C83800 bronze and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 20
39
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 39
46
Tensile Strength: Ultimate (UTS), MPa 230
320
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 1000
1120
Melting Onset (Solidus), °C 840
1060
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
59
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
11
Electrical Conductivity: Equal Weight (Specific), % IACS 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
100
Resilience: Unit (Modulus of Resilience), kJ/m3 53
51
Stiffness to Weight: Axial, points 6.6
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4
10
Strength to Weight: Bending, points 9.6
12
Thermal Diffusivity, mm2/s 22
17
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
88.5 to 90.5
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 5.0 to 7.0
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.0
9.5 to 10.5
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
0
Residuals, % 0
0 to 0.5