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384.0 Aluminum vs. EN 1.4511 Stainless Steel

384.0 aluminum belongs to the aluminum alloys classification, while EN 1.4511 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 384.0 aluminum and the bottom bar is EN 1.4511 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
180
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 2.5
25
Fatigue Strength, MPa 140
180
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 200
330
Tensile Strength: Ultimate (UTS), MPa 330
510
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 550
280
Maximum Temperature: Mechanical, °C 170
870
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 96
25
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 69
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.4
2.5
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 1010
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 37
18
Thermal Diffusivity, mm2/s 39
6.7
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 3.0 to 4.5
0
Iron (Fe), % 0 to 1.3
78.9 to 84
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 12
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0