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514.0 Aluminum vs. AISI 304LN Stainless Steel

514.0 aluminum belongs to the aluminum alloys classification, while AISI 304LN 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 514.0 aluminum and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 7.3
7.8 to 46
Fatigue Strength, MPa 48
200 to 440
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
77
Shear Strength, MPa 140
400 to 680
Tensile Strength: Ultimate (UTS), MPa 180
580 to 1160
Tensile Strength: Yield (Proof), MPa 74
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
960
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 610
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.9
3.1
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 41
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 19
21 to 41
Strength to Weight: Bending, points 26
20 to 31
Thermal Diffusivity, mm2/s 57
4.0
Thermal Shock Resistance, points 7.9
13 to 26

Alloy Composition

Aluminum (Al), % 93.6 to 96.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.5
65 to 73.9
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0 to 0.35
0 to 2.0
Nickel (Ni), % 0
8.0 to 12
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0