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C94700 Bronze vs. C18900 Copper

Both C94700 bronze and C18900 copper are copper alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C94700 bronze and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.9 to 32
14 to 48
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 350 to 590
260 to 500
Tensile Strength: Yield (Proof), MPa 160 to 400
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 1030
1080
Melting Onset (Solidus), °C 900
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 54
130
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
30
Electrical Conductivity: Equal Weight (Specific), % IACS 12
30

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
42
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
20 to 660
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 11 to 19
8.2 to 16
Strength to Weight: Bending, points 13 to 18
10 to 16
Thermal Diffusivity, mm2/s 16
38
Thermal Shock Resistance, points 12 to 21
9.3 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.15
0
Copper (Cu), % 85 to 90
97.7 to 99.15
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.1
0 to 0.020
Manganese (Mn), % 0 to 0.2
0.1 to 0.3
Nickel (Ni), % 4.5 to 6.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.0050
0.15 to 0.4
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 4.5 to 6.0
0.6 to 0.9
Zinc (Zn), % 1.0 to 2.5
0 to 0.1
Residuals, % 0
0 to 0.5