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C64800 Bronze vs. ACI-ASTM CB7Cu-1 Steel

C64800 bronze belongs to the copper alloys classification, while ACI-ASTM CB7Cu-1 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C64800 bronze and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0
5.7 to 11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 640
960 to 1350
Tensile Strength: Yield (Proof), MPa 630
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1030
1500
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 66
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 43
38
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1680
1500 to 3590
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 20
34 to 48
Strength to Weight: Bending, points 19
28 to 35
Thermal Diffusivity, mm2/s 75
4.6
Thermal Shock Resistance, points 23
32 to 45

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.090
15.5 to 17.7
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
2.5 to 3.2
Iron (Fe), % 0 to 1.0
72.3 to 78.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.7
Nickel (Ni), % 0 to 0.5
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.5
0 to 0.035
Silicon (Si), % 0.2 to 1.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0