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384.0 Aluminum vs. EN 1.4982 Stainless Steel

384.0 aluminum belongs to the aluminum alloys classification, while EN 1.4982 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
230
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 2.5
28
Fatigue Strength, MPa 140
420
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Shear Strength, MPa 200
490
Tensile Strength: Ultimate (UTS), MPa 330
750
Tensile Strength: Yield (Proof), MPa 170
570

Thermal Properties

Latent Heat of Fusion, J/g 550
290
Maximum Temperature: Mechanical, °C 170
860
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 530
1390
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
13
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 69
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
22
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.4
4.9
Embodied Energy, MJ/kg 140
71
Embodied Water, L/kg 1010
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
190
Resilience: Unit (Modulus of Resilience), kJ/m3 190
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 32
27
Strength to Weight: Bending, points 37
23
Thermal Diffusivity, mm2/s 39
3.4
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
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), % 3.0 to 4.5
0
Iron (Fe), % 0 to 1.3
61.8 to 69.7
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
5.5 to 7.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0 to 0.5
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), % 10.5 to 12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Vanadium (V), % 0
0.15 to 0.4
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0