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5049 Aluminum vs. S30600 Stainless Steel

5049 aluminum belongs to the aluminum alloys classification, while S30600 stainless steel belongs to the iron alloys. There are 31 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 5049 aluminum and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 52 to 88
180
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 2.0 to 18
45
Fatigue Strength, MPa 79 to 130
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 130 to 190
430
Tensile Strength: Ultimate (UTS), MPa 210 to 330
610
Tensile Strength: Yield (Proof), MPa 91 to 280
270

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 190
950
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 620
1330
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 140
14
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.7
7.6
Embodied Carbon, kg CO2/kg material 8.5
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 31
220
Resilience: Unit (Modulus of Resilience), kJ/m3 59 to 570
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 22 to 34
22
Strength to Weight: Bending, points 29 to 39
21
Thermal Diffusivity, mm2/s 56
3.7
Thermal Shock Resistance, points 9.3 to 15
14

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
0
Carbon (C), % 0
0 to 0.018
Chromium (Cr), % 0 to 0.3
17 to 18.5
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 0 to 0.5
58.9 to 65.3
Magnesium (Mg), % 1.6 to 2.5
0
Manganese (Mn), % 0.5 to 1.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 15.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.4
3.7 to 4.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0