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EN 1.4303 Stainless Steel vs. 5652 Aluminum

EN 1.4303 stainless steel belongs to the iron alloys classification, while 5652 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 1.4303 stainless steel and the bottom bar is 5652 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
47 to 77
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 13 to 49
6.8 to 25
Fatigue Strength, MPa 220 to 320
60 to 140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 420 to 540
110 to 170
Tensile Strength: Ultimate (UTS), MPa 590 to 900
190 to 290
Tensile Strength: Yield (Proof), MPa 230 to 560
74 to 260

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
12 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
40 to 480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 21 to 32
20 to 30
Strength to Weight: Bending, points 20 to 26
27 to 36
Thermal Diffusivity, mm2/s 4.0
57
Thermal Shock Resistance, points 13 to 20
8.4 to 13

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 0.040
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 0.010
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 0.4
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants