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A206.0 Aluminum vs. ASTM A372 Grade E Steel

A206.0 aluminum belongs to the aluminum alloys classification, while ASTM A372 grade E steel belongs to the iron alloys. 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 A206.0 aluminum and the bottom bar is ASTM A372 grade E steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.2 to 10
20 to 22
Fatigue Strength, MPa 90 to 180
310 to 380
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 260
410 to 570
Tensile Strength: Ultimate (UTS), MPa 390 to 440
650 to 910
Tensile Strength: Yield (Proof), MPa 250 to 380
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
44
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.4
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
500 to 810
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 36 to 41
23 to 32
Strength to Weight: Bending, points 39 to 43
21 to 27
Thermal Diffusivity, mm2/s 48
12
Thermal Shock Resistance, points 17 to 19
19 to 27

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0.25 to 0.35
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
97 to 98.3
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0.4 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.050
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0

Comparable Variants