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1230A Aluminum vs. EN 1.8901 Steel

1230A aluminum belongs to the aluminum alloys classification, while EN 1.8901 steel belongs to the iron 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 1230A aluminum and the bottom bar is EN 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 4.5 to 34
19
Fatigue Strength, MPa 35 to 74
340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 59 to 99
390
Tensile Strength: Ultimate (UTS), MPa 89 to 170
630
Tensile Strength: Yield (Proof), MPa 29 to 150
490

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
44
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.6
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
110
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 9.1 to 17
22
Strength to Weight: Bending, points 16 to 25
21
Thermal Diffusivity, mm2/s 93
12
Thermal Shock Resistance, points 4.0 to 7.6
18

Alloy Composition

Aluminum (Al), % 99.3 to 100
0 to 0.015
Carbon (C), % 0
0 to 0.22
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.6
Iron (Fe), % 0 to 0.7
95 to 99.05
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.65
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22
Zinc (Zn), % 0 to 0.050
0