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ASTM Grade HT Steel vs. 5754 Aluminum

ASTM grade HT steel belongs to the iron alloys classification, while 5754 aluminum belongs to the aluminum alloys. There are 30 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 5754 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
52 to 88
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 4.6
2.0 to 19
Fatigue Strength, MPa 130
66 to 140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Tensile Strength: Ultimate (UTS), MPa 500
200 to 330
Tensile Strength: Yield (Proof), MPa 270
80 to 280

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Mechanical, °C 1010
190
Melting Completion (Liquidus), °C 1390
650
Melting Onset (Solidus), °C 1340
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
33
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
110

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 5.4
8.7
Embodied Energy, MJ/kg 76
150
Embodied Water, L/kg 190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
6.1 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 180
47 to 580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 18
21 to 34
Strength to Weight: Bending, points 18
28 to 39
Thermal Diffusivity, mm2/s 3.2
54
Thermal Shock Resistance, points 12
8.9 to 14

Alloy Composition

Aluminum (Al), % 0
94.2 to 97.4
Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 15 to 19
0 to 0.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 38.2 to 51.7
0 to 0.4
Magnesium (Mg), % 0
2.6 to 3.6
Manganese (Mn), % 0 to 2.0
0 to 0.5
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 0.4
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15