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EN 1.4826 Stainless Steel vs. 444.0 Aluminum

EN 1.4826 stainless steel belongs to the iron alloys classification, while 444.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1.4826 stainless steel and the bottom bar is 444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
50
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 9.1
25
Fatigue Strength, MPa 140
51
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 500
190
Tensile Strength: Yield (Proof), MPa 260
83

Thermal Properties

Latent Heat of Fusion, J/g 310
500
Maximum Temperature: Mechanical, °C 950
170
Melting Completion (Liquidus), °C 1400
610
Melting Onset (Solidus), °C 1360
600
Specific Heat Capacity, J/kg-K 490
900
Thermal Conductivity, W/m-K 14
160
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.3
7.9
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 160
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
39
Resilience: Unit (Modulus of Resilience), kJ/m3 170
49
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 3.7
67
Thermal Shock Resistance, points 11
8.8

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.5
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.4 to 68.7
0 to 0.6
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15