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4032 Aluminum vs. AISI 309H Stainless Steel

4032 aluminum belongs to the aluminum alloys classification, while AISI 309H stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 AISI 309H 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
40
Fatigue Strength, MPa 110
200
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
78
Shear Strength, MPa 260
400
Tensile Strength: Ultimate (UTS), MPa 390
580
Tensile Strength: Yield (Proof), MPa 320
230

Thermal Properties

Latent Heat of Fusion, J/g 570
290
Maximum Temperature: Mechanical, °C 180
1080
Melting Completion (Liquidus), °C 570
1420
Melting Onset (Solidus), °C 530
1370
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.8
3.6
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 1030
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
190
Resilience: Unit (Modulus of Resilience), kJ/m3 700
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 41
21
Strength to Weight: Bending, points 45
20
Thermal Diffusivity, mm2/s 59
4.0
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0 to 0.1
22 to 24
Copper (Cu), % 0.5 to 1.3
0
Iron (Fe), % 0 to 1.0
58.1 to 66
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.5 to 1.3
12 to 15
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 11 to 13.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0