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384.0 Aluminum vs. EN 1.7375 Steel

384.0 aluminum belongs to the aluminum alloys classification, while EN 1.7375 steel belongs to the iron alloys. There are 31 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 384.0 aluminum and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
180
Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 2.5
20
Fatigue Strength, MPa 140
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
74
Shear Strength, MPa 200
380
Tensile Strength: Ultimate (UTS), MPa 330
620
Tensile Strength: Yield (Proof), MPa 170
400

Thermal Properties

Latent Heat of Fusion, J/g 550
250
Maximum Temperature: Mechanical, °C 170
460
Melting Completion (Liquidus), °C 580
1470
Melting Onset (Solidus), °C 530
1430
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
39
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 69
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.9
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.4
1.8
Embodied Energy, MJ/kg 140
23
Embodied Water, L/kg 1010
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 37
20
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0.010 to 0.040
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 3.0 to 4.5
0 to 0.25
Iron (Fe), % 0 to 1.3
94.5 to 96.7
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.5
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 10.5 to 12
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0