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EN 1.4982 Stainless Steel vs. 3203 Aluminum

EN 1.4982 stainless steel belongs to the iron alloys classification, while 3203 aluminum belongs to the aluminum 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 EN 1.4982 stainless steel and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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