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EN 1.7383 Steel vs. 238.0 Aluminum

EN 1.7383 steel belongs to the iron alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.7383 steel and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
76
Elongation at Break, % 20 to 23
1.5
Fatigue Strength, MPa 210 to 270
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
28
Tensile Strength: Ultimate (UTS), MPa 560 to 610
210
Tensile Strength: Yield (Proof), MPa 300 to 400
170

Thermal Properties

Latent Heat of Fusion, J/g 260
430
Maximum Temperature: Mechanical, °C 460
170
Melting Completion (Liquidus), °C 1470
600
Melting Onset (Solidus), °C 1430
510
Specific Heat Capacity, J/kg-K 470
840
Thermal Conductivity, W/m-K 39
100
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
67

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
12
Density, g/cm3 7.9
3.4
Embodied Carbon, kg CO2/kg material 1.8
7.4
Embodied Energy, MJ/kg 23
140
Embodied Water, L/kg 59
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
180
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
42
Strength to Weight: Axial, points 20 to 22
17
Strength to Weight: Bending, points 19 to 20
23
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 16 to 18
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.040
81.9 to 84.9
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.3
9.5 to 10.5
Iron (Fe), % 94.3 to 96.6
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
3.6 to 4.4
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
1.0 to 1.5