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ACI-ASTM CB7Cu-1 Steel vs. C65400 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C65400 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
2.6 to 47
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
500 to 1060
Tensile Strength: Yield (Proof), MPa 760 to 1180
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1430
1020
Melting Onset (Solidus), °C 1500
960
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 17
36
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
45
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
10 to 480
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
130 to 3640
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 34 to 48
16 to 34
Strength to Weight: Bending, points 28 to 35
16 to 27
Thermal Diffusivity, mm2/s 4.6
10
Thermal Shock Resistance, points 32 to 45
18 to 39

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0.010 to 0.12
Copper (Cu), % 2.5 to 3.2
93.8 to 96.1
Iron (Fe), % 72.3 to 78.4
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.7
0
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
2.7 to 3.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2