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ACI-ASTM CG12 Steel vs. CC331G Bronze

ACI-ASTM CG12 steel belongs to the iron alloys classification, while CC331G bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG12 steel and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 550
620
Tensile Strength: Yield (Proof), MPa 220
240

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1040
220
Melting Completion (Liquidus), °C 1410
1060
Melting Onset (Solidus), °C 1370
1000
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
61
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
14

Otherwise Unclassified Properties

Base Metal Price, % relative 18
28
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.3
3.2
Embodied Energy, MJ/kg 48
53
Embodied Water, L/kg 160
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
97
Resilience: Unit (Modulus of Resilience), kJ/m3 120
250
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 4.0
17
Thermal Shock Resistance, points 12
22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0
83 to 86.5
Iron (Fe), % 60.3 to 70
1.5 to 3.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 10 to 13
0 to 1.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5