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380.0 Aluminum vs. EN 1.4655 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4655 stainless steel belongs to the iron alloys. There are 30 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 380.0 aluminum and the bottom bar is EN 1.4655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 3.0
23 to 25
Fatigue Strength, MPa 140
320
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
78
Shear Strength, MPa 190
460
Tensile Strength: Ultimate (UTS), MPa 320
720 to 730
Tensile Strength: Yield (Proof), MPa 160
450 to 480

Thermal Properties

Latent Heat of Fusion, J/g 510
290
Maximum Temperature: Mechanical, °C 170
1050
Melting Completion (Liquidus), °C 590
1420
Melting Onset (Solidus), °C 540
1370
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 100
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.5
2.9
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1040
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
510 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
26
Strength to Weight: Bending, points 36
23
Thermal Diffusivity, mm2/s 40
4.0
Thermal Shock Resistance, points 14
20

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 3.0 to 4.0
1.0 to 3.0
Iron (Fe), % 0 to 2.0
63.6 to 73.4
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0 to 0.5
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
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