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C94700 Bronze vs. C72150 Copper-nickel

Both C94700 bronze and C72150 copper-nickel are copper alloys. They have 60% 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 C94700 bronze and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 7.9 to 32
29
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
55
Tensile Strength: Ultimate (UTS), MPa 350 to 590
490
Tensile Strength: Yield (Proof), MPa 160 to 400
210

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 190
600
Melting Completion (Liquidus), °C 1030
1210
Melting Onset (Solidus), °C 900
1250
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 54
22
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
45
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.5
6.1
Embodied Energy, MJ/kg 56
88
Embodied Water, L/kg 350
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
150
Stiffness to Weight: Axial, points 7.3
9.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11 to 19
15
Strength to Weight: Bending, points 13 to 18
15
Thermal Diffusivity, mm2/s 16
6.0
Thermal Shock Resistance, points 12 to 21
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.15
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 85 to 90
52.5 to 57
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.050
Manganese (Mn), % 0 to 0.2
0 to 0.050
Nickel (Ni), % 4.5 to 6.0
43 to 46
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0 to 0.2
Residuals, % 0
0 to 0.5