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ACI-ASTM CB30 Steel vs. C64800 Bronze

ACI-ASTM CB30 steel belongs to the iron alloys classification, while C64800 bronze belongs to the copper 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 ACI-ASTM CB30 steel and the bottom bar is C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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