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C93400 Bronze vs. C72500 Copper-nickel

Both C93400 bronze and C72500 copper-nickel are copper alloys. They have 87% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C93400 bronze and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 38
45
Tensile Strength: Ultimate (UTS), MPa 270
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 150
210
Melting Completion (Liquidus), °C 950
1130
Melting Onset (Solidus), °C 850
1060
Specific Heat Capacity, J/kg-K 350
390
Thermal Conductivity, W/m-K 58
54
Thermal Expansion, µm/m-K 18
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 32
35
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 54
55
Embodied Water, L/kg 380
320

Common Calculations

Stiffness to Weight: Axial, points 6.3
7.6
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 8.3
13 to 24
Strength to Weight: Bending, points 10
14 to 21
Thermal Diffusivity, mm2/s 18
16
Thermal Shock Resistance, points 10
14 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 82 to 85
85.2 to 89.7
Iron (Fe), % 0 to 0.2
0 to 0.6
Lead (Pb), % 7.0 to 9.0
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 1.0
8.5 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), % 7.0 to 9.0
1.8 to 2.8
Zinc (Zn), % 0 to 0.8
0 to 0.5
Residuals, % 0
0 to 0.2