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328.0 Aluminum vs. EN 1.4410 Stainless Steel

328.0 aluminum belongs to the aluminum alloys classification, while EN 1.4410 stainless steel belongs to the iron alloys. There are 30 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 328.0 aluminum and the bottom bar is EN 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 82
260
Elastic (Young's, Tensile) Modulus, GPa 72
210
Elongation at Break, % 1.6 to 2.1
24
Fatigue Strength, MPa 55 to 80
410
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 200 to 270
850
Tensile Strength: Yield (Proof), MPa 120 to 170
600

Thermal Properties

Latent Heat of Fusion, J/g 510
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.8
4.0
Embodied Energy, MJ/kg 140
56
Embodied Water, L/kg 1070
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.0
180
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 200
880
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 21 to 28
30
Strength to Weight: Bending, points 28 to 34
26
Thermal Diffusivity, mm2/s 50
4.0
Thermal Shock Resistance, points 9.2 to 12
23

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.35
24 to 26
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 0 to 1.0
58.1 to 66.8
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0 to 0.25
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 8.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.5
0