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C63020 Bronze vs. C71520 Copper-nickel

Both C63020 bronze and C71520 copper-nickel are copper alloys. They have 75% of their average alloy composition in common. There are 27 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 C63020 bronze and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 6.8
10 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
51
Shear Strength, MPa 600
250 to 340
Tensile Strength: Ultimate (UTS), MPa 1020
370 to 570
Tensile Strength: Yield (Proof), MPa 740
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 230
230
Maximum Temperature: Mechanical, °C 230
260
Melting Completion (Liquidus), °C 1070
1170
Melting Onset (Solidus), °C 1020
1120
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 40
32
Thermal Expansion, µm/m-K 18
15

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 3.6
5.0
Embodied Energy, MJ/kg 58
73
Embodied Water, L/kg 390
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
67 to 680
Stiffness to Weight: Axial, points 8.0
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
12 to 18
Strength to Weight: Bending, points 27
13 to 17
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 35
12 to 19

Alloy Composition

Aluminum (Al), % 10 to 11
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
65 to 71.6
Iron (Fe), % 4.0 to 5.5
0.4 to 1.0
Lead (Pb), % 0 to 0.030
0 to 0.020
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 4.2 to 6.0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.5