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4032 Aluminum vs. EN 1.4959 Stainless Steel

4032 aluminum belongs to the aluminum alloys classification, while EN 1.4959 stainless steel belongs to the iron alloys. There are 30 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 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 6.7
40
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 260
430
Tensile Strength: Ultimate (UTS), MPa 390
630
Tensile Strength: Yield (Proof), MPa 320
190

Thermal Properties

Latent Heat of Fusion, J/g 570
300
Maximum Temperature: Mechanical, °C 180
1090
Melting Completion (Liquidus), °C 570
1400
Melting Onset (Solidus), °C 530
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
12
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 7.8
5.4
Embodied Energy, MJ/kg 140
76
Embodied Water, L/kg 1030
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
190
Resilience: Unit (Modulus of Resilience), kJ/m3 700
96
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 41
22
Strength to Weight: Bending, points 45
20
Thermal Diffusivity, mm2/s 59
3.2
Thermal Shock Resistance, points 20
15

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0.25 to 0.65
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0 to 0.1
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0.5 to 1.3
0 to 0.5
Iron (Fe), % 0 to 1.0
39.4 to 50.5
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0.5 to 1.3
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 11 to 13.5
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0