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CC497K Bronze vs. C71520 Copper-nickel

Both CC497K 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 CC497K bronze and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
140
Elongation at Break, % 6.7
10 to 45
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 34
51
Tensile Strength: Ultimate (UTS), MPa 190
370 to 570
Tensile Strength: Yield (Proof), MPa 91
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 160
230
Maximum Temperature: Mechanical, °C 130
260
Melting Completion (Liquidus), °C 870
1170
Melting Onset (Solidus), °C 800
1120
Specific Heat Capacity, J/kg-K 330
400
Thermal Conductivity, W/m-K 53
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 29
40
Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 3.0
5.0
Embodied Energy, MJ/kg 48
73
Embodied Water, L/kg 370
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 45
67 to 680
Stiffness to Weight: Axial, points 5.5
8.6
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.6
12 to 18
Strength to Weight: Bending, points 7.8
13 to 17
Thermal Diffusivity, mm2/s 17
8.9
Thermal Shock Resistance, points 7.2
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.75
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 67.5 to 77.5
65 to 71.6
Iron (Fe), % 0 to 0.25
0.4 to 1.0
Lead (Pb), % 18 to 23
0 to 0.020
Manganese (Mn), % 0 to 0.2
0 to 1.0
Nickel (Ni), % 0.5 to 2.5
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