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S44700 Stainless Steel vs. 5005 Aluminum

S44700 stainless steel belongs to the iron alloys classification, while 5005 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, 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 S44700 stainless steel and the bottom bar is 5005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
28 to 64
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 23
1.1 to 23
Fatigue Strength, MPa 300
38 to 86
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 82
26
Shear Strength, MPa 380
70 to 130
Tensile Strength: Ultimate (UTS), MPa 600
110 to 230
Tensile Strength: Yield (Proof), MPa 450
41 to 210

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 11
24

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.6
8.3
Embodied Energy, MJ/kg 49
150
Embodied Water, L/kg 180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
2.3 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 480
12 to 320
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 21
11 to 23
Strength to Weight: Bending, points 20
19 to 31
Thermal Shock Resistance, points 19
4.9 to 10

Alloy Composition

Aluminum (Al), % 0
97 to 99.5
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 28 to 30
0 to 0.1
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 64.9 to 68.5
0 to 0.7
Magnesium (Mg), % 0
0.5 to 1.1
Manganese (Mn), % 0 to 0.3
0 to 0.2
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 0 to 0.15
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15