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ACI-ASTM CB7Cu-1 Steel vs. C67500 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C67500 bronze belongs to the copper 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 ACI-ASTM CB7Cu-1 steel and the bottom bar is C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 5.7 to 11
14 to 33
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
430 to 580
Tensile Strength: Yield (Proof), MPa 760 to 1180
170 to 370

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Melting Completion (Liquidus), °C 1430
890
Melting Onset (Solidus), °C 1500
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
110
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
27

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
47
Embodied Water, L/kg 130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
61 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
130 to 650
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 34 to 48
15 to 20
Strength to Weight: Bending, points 28 to 35
16 to 19
Thermal Diffusivity, mm2/s 4.6
34
Thermal Shock Resistance, points 32 to 45
14 to 19

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
57 to 60
Iron (Fe), % 72.3 to 78.4
0.8 to 2.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 0.7
0.050 to 0.5
Nickel (Ni), % 3.6 to 4.6
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0
35.1 to 41.7
Residuals, % 0
0 to 0.5