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1230A Aluminum vs. EN 1.7233 Steel

1230A aluminum belongs to the aluminum alloys classification, while EN 1.7233 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 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 4.5 to 34
18 to 23
Fatigue Strength, MPa 35 to 74
270 to 530
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 59 to 99
450 to 590
Tensile Strength: Ultimate (UTS), MPa 89 to 170
700 to 960
Tensile Strength: Yield (Proof), MPa 29 to 150
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
430
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
39
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.0
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1190
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
380 to 1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 9.1 to 17
25 to 34
Strength to Weight: Bending, points 16 to 25
22 to 28
Thermal Diffusivity, mm2/s 93
11
Thermal Shock Resistance, points 4.0 to 7.6
21 to 28

Alloy Composition

Aluminum (Al), % 99.3 to 100
0
Carbon (C), % 0
0.39 to 0.45
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.7
96.2 to 97.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0 to 0.050
0

Comparable Variants