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A242.0 Aluminum vs. EN 1.4826 Stainless Steel

A242.0 aluminum belongs to the aluminum alloys classification, while EN 1.4826 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 A242.0 aluminum and the bottom bar is EN 1.4826 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
150
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.6
9.1
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 220
500

Thermal Properties

Latent Heat of Fusion, J/g 390
310
Maximum Temperature: Mechanical, °C 210
950
Melting Completion (Liquidus), °C 680
1400
Melting Onset (Solidus), °C 550
1360
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 140
14
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 3.1
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1130
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 52
3.7
Thermal Shock Resistance, points 9.3
11

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0.15 to 0.25
21 to 23
Copper (Cu), % 3.7 to 4.5
0
Iron (Fe), % 0 to 0.8
60.4 to 68.7
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.8 to 2.3
9.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.6
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0