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392.0 Aluminum vs. ASTM Grade HT Steel

392.0 aluminum belongs to the aluminum alloys classification, while ASTM grade HT 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. 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 392.0 aluminum and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 0.86
4.6
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 290
500
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 670
310
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 670
1390
Melting Onset (Solidus), °C 580
1340
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 90
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 2.5
8.0
Embodied Carbon, kg CO2/kg material 7.5
5.4
Embodied Energy, MJ/kg 140
76
Embodied Water, L/kg 950
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
19
Resilience: Unit (Modulus of Resilience), kJ/m3 490
180
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 56
24
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 39
18
Thermal Diffusivity, mm2/s 60
3.2
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
15 to 19
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 0 to 1.5
38.2 to 51.7
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 18 to 20
0 to 2.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0