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5449 Aluminum vs. AISI 310H Stainless Steel

5449 aluminum belongs to the aluminum alloys classification, while AISI 310H 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 5449 aluminum and the bottom bar is AISI 310H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 4.0 to 17
40
Fatigue Strength, MPa 78 to 120
200
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Shear Strength, MPa 130 to 190
400
Tensile Strength: Ultimate (UTS), MPa 210 to 330
580
Tensile Strength: Yield (Proof), MPa 91 to 260
230

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 650
1410
Melting Onset (Solidus), °C 590
1360
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.5
4.3
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 1180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 22 to 33
21
Strength to Weight: Bending, points 29 to 39
20
Thermal Diffusivity, mm2/s 56
3.9
Thermal Shock Resistance, points 9.4 to 15
13

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0 to 0.3
24 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
49.1 to 57
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0 to 2.0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0