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CC331G Bronze vs. ACI-ASTM CH20 Steel

CC331G bronze belongs to the copper alloys classification, while ACI-ASTM CH20 steel belongs to the iron 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 CC331G bronze and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
38
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 620
610
Tensile Strength: Yield (Proof), MPa 240
350

Thermal Properties

Latent Heat of Fusion, J/g 230
310
Maximum Temperature: Mechanical, °C 220
1100
Melting Completion (Liquidus), °C 1060
1410
Melting Onset (Solidus), °C 1000
1430
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 61
14
Thermal Expansion, µm/m-K 18
15

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
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.7
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 390
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
200
Resilience: Unit (Modulus of Resilience), kJ/m3 250
300
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 17
3.7
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 26
Copper (Cu), % 83 to 86.5
0
Iron (Fe), % 1.5 to 3.5
54.7 to 66
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
0 to 0.5
Nickel (Ni), % 0 to 1.5
12 to 15
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0