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C94300 Bronze vs. C70250 Copper

Both C94300 bronze and C70250 copper are copper alloys. They have 71% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C94300 bronze and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 32
44
Tensile Strength: Ultimate (UTS), MPa 180
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 150
220
Maximum Temperature: Mechanical, °C 110
210
Melting Completion (Liquidus), °C 820
1100
Melting Onset (Solidus), °C 760
1080
Specific Heat Capacity, J/kg-K 320
390
Thermal Conductivity, W/m-K 63
170
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 370
310

Common Calculations

Stiffness to Weight: Axial, points 5.2
7.4
Stiffness to Weight: Bending, points 16
18
Strength to Weight: Axial, points 5.2
16 to 23
Strength to Weight: Bending, points 7.4
16 to 21
Thermal Diffusivity, mm2/s 21
49
Thermal Shock Resistance, points 7.1
18 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 67 to 72
92.7 to 97.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 23 to 27
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 1.0
2.2 to 4.2
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.25 to 1.2
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 0 to 0.8
0 to 1.0
Residuals, % 0
0 to 0.5