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C64800 Bronze vs. ACI-ASTM CB30 Steel

C64800 bronze belongs to the copper alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 26 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 CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 640
500
Tensile Strength: Yield (Proof), MPa 630
230

Thermal Properties

Latent Heat of Fusion, J/g 220
290
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1030
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 66
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
10
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 43
33
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1680
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 75
5.6
Thermal Shock Resistance, points 23
17

Alloy Composition

Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.090
18 to 21
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
0 to 1.2
Iron (Fe), % 0 to 1.0
72.9 to 82
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.5
0 to 2.0
Phosphorus (P), % 0 to 0.5
0 to 0.040
Silicon (Si), % 0.2 to 1.0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0