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EN AC-42200 Aluminum vs. S35000 Stainless Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while S35000 stainless steel belongs to the iron alloys. There are 29 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 EN AC-42200 aluminum and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.0 to 6.7
2.3 to 14
Fatigue Strength, MPa 86 to 90
380 to 520
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 320
1300 to 1570
Tensile Strength: Yield (Proof), MPa 240 to 260
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 500
280
Maximum Temperature: Mechanical, °C 170
900
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
16
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
1070 to 3360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 34 to 35
46 to 56
Strength to Weight: Bending, points 40 to 41
34 to 38
Thermal Diffusivity, mm2/s 66
4.4
Thermal Shock Resistance, points 15
42 to 51

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0.070 to 0.11
Chromium (Cr), % 0
16 to 17
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
72.7 to 76.9
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0

Comparable Variants