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EN AC-46300 Aluminum vs. SAE-AISI 52100 Steel

EN AC-46300 aluminum belongs to the aluminum alloys classification, while SAE-AISI 52100 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 AC-46300 aluminum and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
10 to 20
Fatigue Strength, MPa 79
250 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 200
590 to 2010
Tensile Strength: Yield (Proof), MPa 110
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 490
250
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 22
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 84
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1060
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 89
350 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 20
21 to 72
Strength to Weight: Bending, points 27
20 to 45
Thermal Diffusivity, mm2/s 47
13
Thermal Shock Resistance, points 9.1
19 to 61

Alloy Composition

Aluminum (Al), % 84 to 90
0
Carbon (C), % 0
0.93 to 1.1
Chromium (Cr), % 0
1.4 to 1.6
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 0.8
96.5 to 97.3
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.2 to 0.65
0.25 to 0.45
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 6.5 to 8.0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.65
0
Residuals, % 0 to 0.55
0