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ACI-ASTM CK20 Steel vs. CC483K Bronze

ACI-ASTM CK20 steel belongs to the iron alloys classification, while CC483K 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 CC483K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
97
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 37
6.4
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 530
310
Tensile Strength: Yield (Proof), MPa 260
170

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1400
990
Melting Onset (Solidus), °C 1430
870
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 14
68
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 4.4
3.8
Embodied Energy, MJ/kg 62
62
Embodied Water, L/kg 190
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
17
Resilience: Unit (Modulus of Resilience), kJ/m3 170
130
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
9.9
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 3.7
21
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.15
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
85 to 89
Iron (Fe), % 46.7 to 58
0 to 0.2
Lead (Pb), % 0
0 to 0.7
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.6
Silicon (Si), % 0 to 2.0
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
10.5 to 13
Zinc (Zn), % 0
0 to 0.5