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ACI-ASTM CB7Cu-1 Steel vs. C67000 Bronze

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C67000 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 C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
5.6 to 11
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
660 to 880
Tensile Strength: Yield (Proof), MPa 760 to 1180
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Melting Completion (Liquidus), °C 1430
900
Melting Onset (Solidus), °C 1500
850
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 17
99
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
25

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 38
49
Embodied Water, L/kg 130
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
560 to 1290
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 34 to 48
23 to 31
Strength to Weight: Bending, points 28 to 35
21 to 26
Thermal Diffusivity, mm2/s 4.6
30
Thermal Shock Resistance, points 32 to 45
21 to 29

Alloy Composition

Aluminum (Al), % 0
3.0 to 6.0
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
63 to 68
Iron (Fe), % 72.3 to 78.4
2.0 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 0.7
2.5 to 5.0
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
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
21.8 to 32.5
Residuals, % 0
0 to 0.5