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EN 1.4303 Stainless Steel vs. 5052 Aluminum

EN 1.4303 stainless steel belongs to the iron alloys classification, while 5052 aluminum belongs to the aluminum alloys. There are 31 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 1.4303 stainless steel and the bottom bar is 5052 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
46 to 83
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 13 to 49
1.1 to 22
Fatigue Strength, MPa 220 to 320
66 to 140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 420 to 540
120 to 180
Tensile Strength: Ultimate (UTS), MPa 590 to 900
190 to 320
Tensile Strength: Yield (Proof), MPa 230 to 560
75 to 280

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 940
190
Melting Completion (Liquidus), °C 1420
650
Melting Onset (Solidus), °C 1380
610
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
140
Thermal Expansion, µm/m-K 16
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
120

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.2
8.6
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
1.7 to 69
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
41 to 590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 21 to 32
19 to 33
Strength to Weight: Bending, points 20 to 26
27 to 38
Thermal Diffusivity, mm2/s 4.0
57
Thermal Shock Resistance, points 13 to 20
8.3 to 14

Alloy Composition

Aluminum (Al), % 0
95.8 to 97.7
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 17 to 19
0.15 to 0.35
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 64.8 to 72
0 to 0.4
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0 to 2.0
0 to 0.1
Nickel (Ni), % 11 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants