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3203 Aluminum vs. EN 1.4982 Stainless Steel

3203 aluminum belongs to the aluminum alloys classification, while EN 1.4982 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 3203 aluminum and the bottom bar is EN 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 4.5 to 29
28
Fatigue Strength, MPa 46 to 92
420
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 72 to 120
490
Tensile Strength: Ultimate (UTS), MPa 110 to 200
750
Tensile Strength: Yield (Proof), MPa 39 to 190
570

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 180
860
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 620
1390
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 170
13
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
22
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.1
4.9
Embodied Energy, MJ/kg 150
71
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
190
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 20
27
Strength to Weight: Bending, points 19 to 28
23
Thermal Diffusivity, mm2/s 70
3.4
Thermal Shock Resistance, points 4.9 to 8.8
17

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Boron (B), % 0
0.0030 to 0.0090
Carbon (C), % 0
0.070 to 0.13
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.7
61.8 to 69.7
Manganese (Mn), % 1.0 to 1.5
5.5 to 7.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
9.0 to 11
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.15 to 0.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0