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EN AC-42200 Aluminum vs. S33228 Stainless Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while S33228 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
190
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.0 to 6.7
34
Fatigue Strength, MPa 86 to 90
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 320
570
Tensile Strength: Yield (Proof), MPa 240 to 260
210

Thermal Properties

Latent Heat of Fusion, J/g 500
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1410
Melting Onset (Solidus), °C 600
1360
Specific Heat Capacity, J/kg-K 910
470
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 8.0
6.2
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 1110
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
150
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 34 to 35
20
Strength to Weight: Bending, points 40 to 41
19
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 91 to 93.1
0 to 0.025
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
36.5 to 42.3
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0