MakeItFrom.com
Menu (ESC)

S44536 Stainless Steel vs. 5021 Aluminum

S44536 stainless steel belongs to the iron alloys classification, while 5021 aluminum belongs to the aluminum alloys. There are 30 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 S44536 stainless steel and the bottom bar is 5021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 22
1.1 to 3.4
Fatigue Strength, MPa 190
85 to 110
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 78
26
Shear Strength, MPa 290
170
Tensile Strength: Ultimate (UTS), MPa 460
300 to 310
Tensile Strength: Yield (Proof), MPa 280
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 990
180
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 21
140
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
35
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.6
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 140
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
3.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 200
440 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 17
30 to 32
Strength to Weight: Bending, points 17
37
Thermal Diffusivity, mm2/s 5.6
57
Thermal Shock Resistance, points 16
13 to 14

Alloy Composition

Aluminum (Al), % 0
95.2 to 97.7
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 20 to 23
0 to 0.15
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 72.8 to 80
0 to 0.5
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0 to 1.0
0.1 to 0.5
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.050 to 0.8
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.8
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15