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C95820 Bronze vs. C71520 Copper-nickel

Both C95820 bronze and C71520 copper-nickel are copper alloys. They have 75% 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 C95820 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, % 15
10 to 45
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
51
Tensile Strength: Ultimate (UTS), MPa 730
370 to 570
Tensile Strength: Yield (Proof), MPa 310
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 230
230
Maximum Temperature: Mechanical, °C 230
260
Melting Completion (Liquidus), °C 1080
1170
Melting Onset (Solidus), °C 1020
1120
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 38
32
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.5
5.0
Embodied Energy, MJ/kg 56
73
Embodied Water, L/kg 380
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 400
67 to 680
Stiffness to Weight: Axial, points 8.0
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
12 to 18
Strength to Weight: Bending, points 22
13 to 17
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 25
12 to 19

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 77.5 to 82.5
65 to 71.6
Iron (Fe), % 4.0 to 5.0
0.4 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.020
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 4.5 to 5.8
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0
0 to 0.5