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5042 Aluminum vs. AISI 310MoLN Stainless Steel

5042 aluminum belongs to the aluminum alloys classification, while AISI 310MoLN 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 5042 aluminum and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 3.4
28
Fatigue Strength, MPa 97 to 120
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Shear Strength, MPa 200
400
Tensile Strength: Ultimate (UTS), MPa 340 to 360
610
Tensile Strength: Yield (Proof), MPa 270 to 310
290

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 570
1380
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
14
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
5.0
Embodied Energy, MJ/kg 150
70
Embodied Water, L/kg 1180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
140
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 35 to 37
21
Strength to Weight: Bending, points 40 to 42
20
Thermal Diffusivity, mm2/s 53
3.7
Thermal Shock Resistance, points 15 to 16
14

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.1
24 to 26
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.35
45.2 to 53.8
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
1.6 to 2.6
Nickel (Ni), % 0
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0