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380.0 Aluminum vs. EN 1.4542 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4542 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 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
5.7 to 20
Fatigue Strength, MPa 140
370 to 640
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Shear Strength, MPa 190
550 to 860
Tensile Strength: Ultimate (UTS), MPa 320
880 to 1470
Tensile Strength: Yield (Proof), MPa 160
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Maximum Temperature: Mechanical, °C 170
860
Melting Completion (Liquidus), °C 590
1430
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 100
16
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 1040
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
880 to 4360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
31 to 52
Strength to Weight: Bending, points 36
26 to 37
Thermal Diffusivity, mm2/s 40
4.3
Thermal Shock Resistance, points 14
29 to 49

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 3.0 to 4.0
3.0 to 5.0
Iron (Fe), % 0 to 2.0
69.6 to 79
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0 to 0.5
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0 to 0.7
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