MakeItFrom.com
Menu (ESC)

8011A Aluminum vs. S44627 Stainless Steel

8011A aluminum belongs to the aluminum alloys classification, while S44627 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 8011A aluminum and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
170
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 1.7 to 28
24
Fatigue Strength, MPa 33 to 76
200
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 100 to 180
490
Tensile Strength: Yield (Proof), MPa 34 to 170
300

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 630
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
17
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
14
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.9
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1180
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
100
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
220
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
18
Strength to Weight: Bending, points 18 to 26
18
Thermal Diffusivity, mm2/s 86
4.6
Thermal Shock Resistance, points 4.6 to 8.1
16

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.1
25 to 27.5
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0.5 to 1.0
69.2 to 74.2
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.4 to 0.8
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0