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ACI-ASTM CB7Cu-1 Steel vs. C94400 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C94400 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
55
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 5.7 to 11
18
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 76
37
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
220
Tensile Strength: Yield (Proof), MPa 760 to 1180
110

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Melting Completion (Liquidus), °C 1430
940
Melting Onset (Solidus), °C 1500
790
Specific Heat Capacity, J/kg-K 480
350
Thermal Conductivity, W/m-K 17
52
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
32
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 38
54
Embodied Water, L/kg 130
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
33
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
60
Stiffness to Weight: Axial, points 14
6.1
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 34 to 48
6.8
Strength to Weight: Bending, points 28 to 35
9.0
Thermal Diffusivity, mm2/s 4.6
17
Thermal Shock Resistance, points 32 to 45
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
76.1 to 84
Iron (Fe), % 72.3 to 78.4
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Manganese (Mn), % 0 to 0.7
0
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 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8