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EN 1.4301 Stainless Steel vs. 5754 Aluminum

EN 1.4301 stainless steel belongs to the iron alloys classification, while 5754 aluminum belongs to the aluminum 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 EN 1.4301 stainless steel and the bottom bar is 5754 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
52 to 88
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 14 to 46
2.0 to 19
Fatigue Strength, MPa 200 to 330
66 to 140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 430 to 550
120 to 190
Tensile Strength: Ultimate (UTS), MPa 610 to 900
200 to 330
Tensile Strength: Yield (Proof), MPa 220 to 570
80 to 280

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 940
190
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 16
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
33
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.7
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 140
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
6.1 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
47 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 22 to 32
21 to 34
Strength to Weight: Bending, points 20 to 27
28 to 39
Thermal Diffusivity, mm2/s 4.0
54
Thermal Shock Resistance, points 14 to 20
8.9 to 14

Alloy Composition

Aluminum (Al), % 0
94.2 to 97.4
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 17.5 to 19.5
0 to 0.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 66.8 to 74.5
0 to 0.4
Magnesium (Mg), % 0
2.6 to 3.6
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants