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AISI 310S Stainless Steel vs. 4007 Aluminum

AISI 310S stainless steel belongs to the iron alloys classification, while 4007 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 AISI 310S stainless steel and the bottom bar is 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
32 to 44
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 34 to 44
5.1 to 23
Fatigue Strength, MPa 250 to 280
46 to 88
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 420 to 470
80 to 90
Tensile Strength: Ultimate (UTS), MPa 600 to 710
130 to 160
Tensile Strength: Yield (Proof), MPa 270 to 350
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1400
590
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 16
170
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
42
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 4.3
8.1
Embodied Energy, MJ/kg 61
150
Embodied Water, L/kg 190
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
18 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 21 to 25
12 to 15
Strength to Weight: Bending, points 20 to 22
20 to 23
Thermal Diffusivity, mm2/s 4.1
67
Thermal Shock Resistance, points 14 to 16
5.5 to 6.7

Alloy Composition


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Aluminum (Al), % 0
94.1 to 97.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 24 to 26
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 48.3 to 57
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Nickel (Ni), % 19 to 22
0.15 to 0.7
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.5
1.0 to 1.7
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15