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4032 Aluminum vs. EN 1.4988 Stainless Steel

4032 aluminum belongs to the aluminum alloys classification, while EN 1.4988 stainless 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 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 6.7
34
Fatigue Strength, MPa 110
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 260
430
Tensile Strength: Ultimate (UTS), MPa 390
640
Tensile Strength: Yield (Proof), MPa 320
290

Thermal Properties

Latent Heat of Fusion, J/g 570
290
Maximum Temperature: Mechanical, °C 180
920
Melting Completion (Liquidus), °C 570
1450
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 7.8
6.0
Embodied Energy, MJ/kg 140
89
Embodied Water, L/kg 1030
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
180
Resilience: Unit (Modulus of Resilience), kJ/m3 700
210
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 41
23
Strength to Weight: Bending, points 45
21
Thermal Diffusivity, mm2/s 59
4.0
Thermal Shock Resistance, points 20
14

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0 to 0.1
15.5 to 17.5
Copper (Cu), % 0.5 to 1.3
0
Iron (Fe), % 0 to 1.0
62.1 to 69.5
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
1.1 to 1.5
Nickel (Ni), % 0.5 to 1.3
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 11 to 13.5
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.6 to 0.85
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0