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CC331G Bronze vs. ACI-ASTM CG8M Steel

CC331G bronze belongs to the copper alloys classification, while ACI-ASTM CG8M steel belongs to the iron alloys. There are 29 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 CC331G bronze and the bottom bar is ACI-ASTM CG8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 620
550
Tensile Strength: Yield (Proof), MPa 240
300

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 220
1020
Melting Completion (Liquidus), °C 1060
1450
Melting Onset (Solidus), °C 1000
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 61
16
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
20
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.1
Embodied Energy, MJ/kg 53
56
Embodied Water, L/kg 390
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
210
Resilience: Unit (Modulus of Resilience), kJ/m3 250
220
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 17
4.3
Thermal Shock Resistance, points 22
12

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 83 to 86.5
0
Iron (Fe), % 1.5 to 3.5
58.8 to 70
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 1.5
9.0 to 13
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0