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ACI-ASTM CK20 Steel vs. CC332G Bronze

ACI-ASTM CK20 steel belongs to the iron alloys classification, while CC332G 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 CK20 steel and the bottom bar is CC332G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 37
22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 530
620
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1400
1060
Melting Onset (Solidus), °C 1430
1010
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.4
3.4
Embodied Energy, MJ/kg 62
55
Embodied Water, L/kg 190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
270
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
80 to 86
Iron (Fe), % 46.7 to 58
1.0 to 3.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
1.5 to 4.0
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