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C91600 Bronze vs. C70400 Copper-nickel

Both C91600 bronze and C70400 copper-nickel are copper alloys. They have 89% of their average alloy composition in common. There are 26 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 C91600 bronze and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 310
300 to 310
Tensile Strength: Yield (Proof), MPa 160
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 1030
1120
Melting Onset (Solidus), °C 860
1060
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 71
64
Thermal Expansion, µm/m-K 18
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 36
32
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
3.0
Embodied Energy, MJ/kg 61
47
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 120
38 to 220
Stiffness to Weight: Axial, points 7.0
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.9
9.3 to 9.8
Strength to Weight: Bending, points 12
11 to 12
Thermal Diffusivity, mm2/s 22
18
Thermal Shock Resistance, points 11
10 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 85.9 to 89.1
89.8 to 93.6
Iron (Fe), % 0 to 0.2
1.3 to 1.7
Lead (Pb), % 0 to 0.25
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 1.2 to 2.0
4.8 to 6.2
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.7 to 10.8
0
Zinc (Zn), % 0 to 0.25
0 to 1.0
Residuals, % 0
0 to 0.5