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C92300 Bronze vs. C71520 Copper-nickel

Both C92300 bronze and C71520 copper-nickel are copper alloys. They have 70% 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 C92300 bronze and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 19
10 to 45
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
51
Tensile Strength: Ultimate (UTS), MPa 300
370 to 570
Tensile Strength: Yield (Proof), MPa 140
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 1000
1170
Melting Onset (Solidus), °C 850
1120
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 75
32
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 33
40
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
5.0
Embodied Energy, MJ/kg 56
73
Embodied Water, L/kg 370
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 86
67 to 680
Stiffness to Weight: Axial, points 6.9
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.5
12 to 18
Strength to Weight: Bending, points 11
13 to 17
Thermal Diffusivity, mm2/s 23
8.9
Thermal Shock Resistance, points 11
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 85 to 89
65 to 71.6
Iron (Fe), % 0 to 0.25
0.4 to 1.0
Lead (Pb), % 0.3 to 1.0
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 1.0
28 to 33
Phosphorus (P), % 0 to 1.5
0 to 0.2
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0 to 0.020
Tin (Sn), % 7.5 to 9.0
0
Zinc (Zn), % 2.5 to 5.0
0 to 0.5
Residuals, % 0
0 to 0.5