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ASTM Grade HT Steel vs. A201.0 Aluminum

ASTM grade HT steel belongs to the iron alloys classification, while A201.0 aluminum belongs to the aluminum 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 ASTM grade HT steel and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 4.6
4.7
Fatigue Strength, MPa 130
97
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 500
480
Tensile Strength: Yield (Proof), MPa 270
420

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Maximum Temperature: Mechanical, °C 1010
170
Melting Completion (Liquidus), °C 1390
650
Melting Onset (Solidus), °C 1340
570
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
30
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
90

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 5.4
8.1
Embodied Energy, MJ/kg 76
150
Embodied Water, L/kg 190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
22
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 18
44
Strength to Weight: Bending, points 18
45
Thermal Diffusivity, mm2/s 3.2
46
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0
93.7 to 95.5
Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 15 to 19
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 38.2 to 51.7
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 2.0
0.2 to 0.4
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
0 to 0.050
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.1