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ASTM Grade HI Steel vs. EN AC-44500 Aluminum

ASTM grade HI steel belongs to the iron alloys classification, while EN AC-44500 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 HI steel and the bottom bar is EN AC-44500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
68
Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 11
1.1
Fatigue Strength, MPa 150
110
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 550
270
Tensile Strength: Yield (Proof), MPa 270
160

Thermal Properties

Latent Heat of Fusion, J/g 310
570
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1400
590
Melting Onset (Solidus), °C 1350
580
Specific Heat Capacity, J/kg-K 490
900
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
33
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
120

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 7.8
2.5
Embodied Carbon, kg CO2/kg material 4.1
7.7
Embodied Energy, MJ/kg 59
140
Embodied Water, L/kg 200
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 180
180
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
55
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 19
36
Thermal Diffusivity, mm2/s 3.9
57
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
83.7 to 89.5
Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 46.9 to 59.8
0 to 1.0
Magnesium (Mg), % 0
0 to 0.4
Manganese (Mn), % 0 to 2.0
0 to 0.55
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 14 to 18
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
10.5 to 13.5
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.25