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380.0 Aluminum vs. EN 1.4317 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4317 stainless steel belongs to the iron alloys. There are 29 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 380.0 aluminum and the bottom bar is EN 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
17
Fatigue Strength, MPa 140
380
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 320
860
Tensile Strength: Yield (Proof), MPa 160
630

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Maximum Temperature: Mechanical, °C 170
770
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 100
26
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 83
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.4
Embodied Energy, MJ/kg 140
33
Embodied Water, L/kg 1040
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1010
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
31
Strength to Weight: Bending, points 36
26
Thermal Diffusivity, mm2/s 40
7.0
Thermal Shock Resistance, points 14
30

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
12 to 13.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
78.7 to 84.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0 to 0.5
3.5 to 5.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0