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2007 Aluminum vs. S35000 Stainless Steel

2007 aluminum belongs to the aluminum alloys classification, while S35000 stainless steel belongs to the iron alloys. There are 30 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 2007 aluminum and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.6 to 8.0
2.3 to 14
Fatigue Strength, MPa 91 to 110
380 to 520
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Shear Strength, MPa 220 to 250
740 to 950
Tensile Strength: Ultimate (UTS), MPa 370 to 420
1300 to 1570
Tensile Strength: Yield (Proof), MPa 240 to 270
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 190
900
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 510
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1130
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
1070 to 3360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 33 to 38
46 to 56
Strength to Weight: Bending, points 37 to 40
34 to 38
Thermal Diffusivity, mm2/s 48
4.4
Thermal Shock Resistance, points 16 to 19
42 to 51

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0.070 to 0.11
Chromium (Cr), % 0 to 0.1
16 to 17
Copper (Cu), % 3.3 to 4.6
0
Iron (Fe), % 0 to 0.8
72.7 to 76.9
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 0 to 0.2
4.0 to 5.0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.3
0

Comparable Variants