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332.0 Aluminum vs. EN 1.4981 Stainless Steel

332.0 aluminum belongs to the aluminum alloys classification, while EN 1.4981 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 332.0 aluminum and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
190
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.0
39
Fatigue Strength, MPa 90
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 190
420
Tensile Strength: Ultimate (UTS), MPa 250
610
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 530
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100
16
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 84
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 7.8
4.8
Embodied Energy, MJ/kg 140
67
Embodied Water, L/kg 1040
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
150
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 42
4.3
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 80.1 to 89
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 0 to 1.2
59.6 to 66.7
Magnesium (Mg), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 0 to 0.5
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 8.5 to 10.5
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0