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EN 1.4826 Stainless Steel vs. 319.0 Aluminum

EN 1.4826 stainless steel belongs to the iron alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 30 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 1.4826 stainless steel and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
78 to 84
Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 9.1
1.8 to 2.0
Fatigue Strength, MPa 140
76 to 80
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 500
190 to 240
Tensile Strength: Yield (Proof), MPa 260
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 310
480
Maximum Temperature: Mechanical, °C 950
170
Melting Completion (Liquidus), °C 1400
600
Melting Onset (Solidus), °C 1360
540
Specific Heat Capacity, J/kg-K 490
880
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
84

Otherwise Unclassified Properties

Base Metal Price, % relative 17
10
Density, g/cm3 7.7
2.9
Embodied Carbon, kg CO2/kg material 3.3
7.7
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 160
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 170
88 to 220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
48
Strength to Weight: Axial, points 18
18 to 24
Strength to Weight: Bending, points 18
25 to 30
Thermal Diffusivity, mm2/s 3.7
44
Thermal Shock Resistance, points 11
8.6 to 11

Alloy Composition

Aluminum (Al), % 0
85.8 to 91.5
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 60.4 to 68.7
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0 to 0.35
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5