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512.0 Aluminum vs. AISI 303Se Stainless Steel

512.0 aluminum belongs to the aluminum alloys classification, while AISI 303Se 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 512.0 aluminum and the bottom bar is AISI 303Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
180
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 2.0
45
Fatigue Strength, MPa 58
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 130
590
Tensile Strength: Yield (Proof), MPa 83
230

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 180
930
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
16
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.8
3.0
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1160
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
210
Resilience: Unit (Modulus of Resilience), kJ/m3 50
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 60
4.3
Thermal Shock Resistance, points 6.1
13

Alloy Composition

Aluminum (Al), % 90.6 to 95.1
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.25
17 to 19
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0 to 0.6
67.2 to 74.9
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 1.4 to 2.2
0 to 1.0
Sulfur (S), % 0
0 to 0.060
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0