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A360.0 Aluminum vs. ASTM Grade HT Steel

A360.0 aluminum belongs to the aluminum alloys classification, while ASTM grade HT steel belongs to the iron 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 A360.0 aluminum and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
150
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.6 to 5.0
4.6
Fatigue Strength, MPa 82 to 150
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 180 to 320
500
Tensile Strength: Yield (Proof), MPa 170 to 260
270

Thermal Properties

Latent Heat of Fusion, J/g 530
310
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 680
1390
Melting Onset (Solidus), °C 590
1340
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 7.8
5.4
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1070
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 13
19
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 470
180
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 19 to 34
18
Strength to Weight: Bending, points 27 to 39
18
Thermal Diffusivity, mm2/s 48
3.2
Thermal Shock Resistance, points 8.5 to 15
12

Alloy Composition

Aluminum (Al), % 85.8 to 90.6
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
15 to 19
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 0 to 1.3
38.2 to 51.7
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.35
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), % 9.0 to 10
0 to 2.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.25
0