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ACI-ASTM CB7Cu-1 Steel vs. C62300 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C62300 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 C62300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
18 to 32
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
570 to 630
Tensile Strength: Yield (Proof), MPa 760 to 1180
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Melting Completion (Liquidus), °C 1430
1050
Melting Onset (Solidus), °C 1500
1040
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 17
54
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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
28
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 38
52
Embodied Water, L/kg 130
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
95 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
240 to 430
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 34 to 48
19 to 21
Strength to Weight: Bending, points 28 to 35
18 to 20
Thermal Diffusivity, mm2/s 4.6
15
Thermal Shock Resistance, points 32 to 45
20 to 22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
83.2 to 89.5
Iron (Fe), % 72.3 to 78.4
2.0 to 4.0
Manganese (Mn), % 0 to 0.7
0 to 0.5
Nickel (Ni), % 3.6 to 4.6
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
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.6
Residuals, % 0
0 to 0.5