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5049 Aluminum vs. S36200 Stainless Steel

5049 aluminum belongs to the aluminum alloys classification, while S36200 stainless steel belongs to the iron 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 5049 aluminum and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 2.0 to 18
3.4 to 4.6
Fatigue Strength, MPa 79 to 130
450 to 570
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 130 to 190
680 to 810
Tensile Strength: Ultimate (UTS), MPa 210 to 330
1180 to 1410
Tensile Strength: Yield (Proof), MPa 91 to 280
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 190
820
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 620
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
16
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1180
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 31
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 59 to 570
2380 to 3930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 22 to 34
42 to 50
Strength to Weight: Bending, points 29 to 39
32 to 36
Thermal Diffusivity, mm2/s 56
4.3
Thermal Shock Resistance, points 9.3 to 15
40 to 48

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
0 to 0.1
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.3
14 to 14.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
75.4 to 79.5
Magnesium (Mg), % 1.6 to 2.5
0
Manganese (Mn), % 0.5 to 1.1
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
6.5 to 7.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0.6 to 0.9
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0

Comparable Variants