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EN 1.4587 Stainless Steel vs. 384.0 Aluminum

EN 1.4587 stainless steel belongs to the iron alloys classification, while 384.0 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 1.4587 stainless steel and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
85
Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 34
2.5
Fatigue Strength, MPa 200
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
28
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 250
170

Thermal Properties

Latent Heat of Fusion, J/g 310
550
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1420
580
Melting Onset (Solidus), °C 1370
530
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 17
96
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
69

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.1
2.9
Embodied Carbon, kg CO2/kg material 6.3
7.4
Embodied Energy, MJ/kg 87
140
Embodied Water, L/kg 230
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 150
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
37
Thermal Diffusivity, mm2/s 4.5
39
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
77.3 to 86.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 2.0 to 3.0
3.0 to 4.5
Iron (Fe), % 32.7 to 41.9
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0 to 0.5
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
10.5 to 12
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5