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ACI-ASTM CH20 Steel vs. 6005 Aluminum

ACI-ASTM CH20 steel belongs to the iron alloys classification, while 6005 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90 to 95
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 38
9.5 to 17
Fatigue Strength, MPa 290
55 to 95
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 78
26
Tensile Strength: Ultimate (UTS), MPa 610
190 to 310
Tensile Strength: Yield (Proof), MPa 350
100 to 280

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1410
650
Melting Onset (Solidus), °C 1430
610
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 14
180 to 200
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
54
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
180

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.7
8.3
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
27 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 300
77 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 22
20 to 32
Strength to Weight: Bending, points 21
28 to 38
Thermal Diffusivity, mm2/s 3.7
74 to 83
Thermal Shock Resistance, points 15
8.6 to 14

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 54.7 to 66
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 1.5
0 to 0.1
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0.6 to 0.9
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15