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4032 Aluminum vs. EN 1.4301 Stainless Steel

4032 aluminum belongs to the aluminum alloys classification, while EN 1.4301 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 6.7
14 to 46
Fatigue Strength, MPa 110
200 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 260
430 to 550
Tensile Strength: Ultimate (UTS), MPa 390
610 to 900
Tensile Strength: Yield (Proof), MPa 320
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 570
290
Maximum Temperature: Mechanical, °C 180
940
Melting Completion (Liquidus), °C 570
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.8
3.0
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 1030
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 700
120 to 820
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 41
22 to 32
Strength to Weight: Bending, points 45
20 to 27
Thermal Diffusivity, mm2/s 59
4.0
Thermal Shock Resistance, points 20
14 to 20

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.1
17.5 to 19.5
Copper (Cu), % 0.5 to 1.3
0
Iron (Fe), % 0 to 1.0
66.8 to 74.5
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.5 to 1.3
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 11 to 13.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0