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4032 Aluminum vs. EN 1.7703 Steel

4032 aluminum belongs to the aluminum alloys classification, while EN 1.7703 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 4032 aluminum and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 6.7
20
Fatigue Strength, MPa 110
320 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
74
Shear Strength, MPa 260
420 to 430
Tensile Strength: Ultimate (UTS), MPa 390
670 to 690
Tensile Strength: Yield (Proof), MPa 320
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Maximum Temperature: Mechanical, °C 180
460
Melting Completion (Liquidus), °C 570
1470
Melting Onset (Solidus), °C 530
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
39
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.2
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 7.8
2.5
Embodied Energy, MJ/kg 140
35
Embodied Water, L/kg 1030
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 700
570 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 41
24
Strength to Weight: Bending, points 45
22
Thermal Diffusivity, mm2/s 59
11
Thermal Shock Resistance, points 20
19 to 20

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0
Carbon (C), % 0
0.11 to 0.15
Chromium (Cr), % 0 to 0.1
2.0 to 2.5
Copper (Cu), % 0.5 to 1.3
0 to 0.2
Iron (Fe), % 0 to 1.0
94.6 to 96.4
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0.5 to 1.3
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 11 to 13.5
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0