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ACI-ASTM CB7Cu-1 Steel vs. C65100 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C65100 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 C65100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 5.7 to 11
2.4 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
280 to 560
Tensile Strength: Yield (Proof), MPa 760 to 1180
95 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Melting Completion (Liquidus), °C 1430
1060
Melting Onset (Solidus), °C 1500
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
57
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 38
41
Embodied Water, L/kg 130
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
39 to 820
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 34 to 48
8.7 to 18
Strength to Weight: Bending, points 28 to 35
11 to 17
Thermal Diffusivity, mm2/s 4.6
16
Thermal Shock Resistance, points 32 to 45
9.5 to 19

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
94.5 to 99.2
Iron (Fe), % 72.3 to 78.4
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.7
0 to 0.7
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
0.8 to 2.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5