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EN 1.7366 Steel vs. EN AC-45300 Aluminum

EN 1.7366 steel belongs to the iron alloys classification, while EN AC-45300 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 EN 1.7366 steel and the bottom bar is EN AC-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
94 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 17 to 19
1.0 to 2.8
Fatigue Strength, MPa 160 to 320
59 to 72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
27
Tensile Strength: Ultimate (UTS), MPa 460 to 710
220 to 290
Tensile Strength: Yield (Proof), MPa 230 to 480
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 260
470
Maximum Temperature: Mechanical, °C 510
170
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 40
150
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
36
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.7
8.0
Embodied Energy, MJ/kg 23
150
Embodied Water, L/kg 69
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
160 to 390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 16 to 25
23 to 29
Strength to Weight: Bending, points 17 to 23
30 to 35
Thermal Diffusivity, mm2/s 11
60
Thermal Shock Resistance, points 13 to 20
10 to 13

Alloy Composition

Aluminum (Al), % 0
90.2 to 94.2
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
1.0 to 1.5
Iron (Fe), % 91.9 to 95.3
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.35 to 0.65
Manganese (Mn), % 0.3 to 0.8
0 to 0.55
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
4.5 to 5.5
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15