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ACI-ASTM CB7Cu-2 Steel vs. C93500 Bronze

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C93500 bronze belongs to the copper alloys. There are 27 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 ACI-ASTM CB7Cu-2 steel and the bottom bar is C93500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 5.7 to 11
15
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 75
38
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
220
Tensile Strength: Yield (Proof), MPa 760 to 1180
110

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Melting Completion (Liquidus), °C 1430
1000
Melting Onset (Solidus), °C 1380
850
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 17
70
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 38
49
Embodied Water, L/kg 130
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
28
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
59
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 34 to 48
6.9
Strength to Weight: Bending, points 28 to 35
9.1
Thermal Diffusivity, mm2/s 4.6
22
Thermal Shock Resistance, points 32 to 45
8.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 3.2
83 to 86
Iron (Fe), % 73.6 to 79
0 to 0.2
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 4.5 to 5.5
0 to 1.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 1.5
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
4.3 to 6.0
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 1.0