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C94300 Bronze vs. C71520 Copper-nickel

Both C94300 bronze and C71520 copper-nickel are copper alloys. They have 69% 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 C94300 bronze and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
140
Elongation at Break, % 9.7
10 to 45
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 32
51
Tensile Strength: Ultimate (UTS), MPa 180
370 to 570
Tensile Strength: Yield (Proof), MPa 120
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 150
230
Maximum Temperature: Mechanical, °C 110
260
Melting Completion (Liquidus), °C 820
1170
Melting Onset (Solidus), °C 760
1120
Specific Heat Capacity, J/kg-K 320
400
Thermal Conductivity, W/m-K 63
32
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 28
40
Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 2.9
5.0
Embodied Energy, MJ/kg 47
73
Embodied Water, L/kg 370
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 77
67 to 680
Stiffness to Weight: Axial, points 5.2
8.6
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.2
12 to 18
Strength to Weight: Bending, points 7.4
13 to 17
Thermal Diffusivity, mm2/s 21
8.9
Thermal Shock Resistance, points 7.1
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 67 to 72
65 to 71.6
Iron (Fe), % 0 to 0.15
0.4 to 1.0
Lead (Pb), % 23 to 27
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 0.080
0 to 0.020
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 0 to 0.8
0 to 0.5
Residuals, % 0
0 to 0.5