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ACI-ASTM CB7Cu-1 Steel vs. C64800 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C64800 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 C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 5.7 to 11
8.0
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
44
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
640
Tensile Strength: Yield (Proof), MPa 760 to 1180
630

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Melting Completion (Liquidus), °C 1430
1090
Melting Onset (Solidus), °C 1500
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
260
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
65
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
66

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 38
43
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
51
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
1680
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 34 to 48
20
Strength to Weight: Bending, points 28 to 35
19
Thermal Diffusivity, mm2/s 4.6
75
Thermal Shock Resistance, points 32 to 45
23

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 2.5 to 3.2
92.4 to 98.8
Iron (Fe), % 72.3 to 78.4
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 3.6 to 4.6
0 to 0.5
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.5
Silicon (Si), % 0 to 1.0
0.2 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5