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CC494K Bronze vs. C71520 Copper-nickel

Both CC494K 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 (3, in this case) are not shown.

For each property being compared, the top bar is CC494K bronze and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
140
Elongation at Break, % 7.6
10 to 45
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 39
51
Tensile Strength: Ultimate (UTS), MPa 210
370 to 570
Tensile Strength: Yield (Proof), MPa 94
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 160
260
Melting Completion (Liquidus), °C 970
1170
Melting Onset (Solidus), °C 890
1120
Specific Heat Capacity, J/kg-K 360
400
Thermal Conductivity, W/m-K 63
32
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 16
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
40
Density, g/cm3 9.1
8.9
Embodied Carbon, kg CO2/kg material 3.1
5.0
Embodied Energy, MJ/kg 50
73
Embodied Water, L/kg 360
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 43
67 to 680
Stiffness to Weight: Axial, points 6.4
8.6
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 6.5
12 to 18
Strength to Weight: Bending, points 8.8
13 to 17
Thermal Diffusivity, mm2/s 19
8.9
Thermal Shock Resistance, points 7.8
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 78 to 87
65 to 71.6
Iron (Fe), % 0 to 0.25
0.4 to 1.0
Lead (Pb), % 8.0 to 10
0 to 0.020
Manganese (Mn), % 0 to 0.2
0 to 1.0
Nickel (Ni), % 0 to 2.0
28 to 33
Phosphorus (P), % 0 to 0.1
0 to 0.2
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0 to 0.020
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 0 to 2.0
0 to 0.5
Residuals, % 0
0 to 0.5