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364.0 Aluminum vs. AISI 348H Stainless Steel

364.0 aluminum belongs to the aluminum alloys classification, while AISI 348H 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 364.0 aluminum and the bottom bar is AISI 348H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 7.5
40
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 200
400
Tensile Strength: Ultimate (UTS), MPa 300
580
Tensile Strength: Yield (Proof), MPa 160
230

Thermal Properties

Latent Heat of Fusion, J/g 520
290
Maximum Temperature: Mechanical, °C 190
940
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 560
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.9
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1080
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 31
21
Strength to Weight: Bending, points 38
20
Thermal Diffusivity, mm2/s 51
4.1
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 87.2 to 92
0
Beryllium (Be), % 0.020 to 0.040
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0.25 to 0.5
17 to 19
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 1.5
63.8 to 73.6
Magnesium (Mg), % 0.2 to 0.4
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Nickel (Ni), % 0 to 0.15
9.0 to 13
Niobium (Nb), % 0
0.32 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 7.5 to 9.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.1
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0