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443.0 Aluminum vs. EN 1.4335 Stainless Steel

443.0 aluminum belongs to the aluminum alloys classification, while EN 1.4335 stainless steel belongs to the iron 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 443.0 aluminum and the bottom bar is EN 1.4335 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 41
170
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.6
45
Fatigue Strength, MPa 55
210
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
79
Shear Strength, MPa 96
400
Tensile Strength: Ultimate (UTS), MPa 150
570
Tensile Strength: Yield (Proof), MPa 65
230

Thermal Properties

Latent Heat of Fusion, J/g 470
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 630
1410
Melting Onset (Solidus), °C 580
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
14
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.0
4.4
Embodied Energy, MJ/kg 150
62
Embodied Water, L/kg 1120
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
210
Resilience: Unit (Modulus of Resilience), kJ/m3 30
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 61
3.7
Thermal Shock Resistance, points 6.9
12

Alloy Composition

Aluminum (Al), % 90.7 to 95.5
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.25
24 to 26
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 0 to 0.8
49.4 to 56
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 4.5 to 6.0
0 to 0.25
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0