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242.0 Aluminum vs. AISI 416 Stainless Steel

242.0 aluminum belongs to the aluminum alloys classification, while AISI 416 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 242.0 aluminum and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70 to 110
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 0.5 to 1.5
13 to 31
Fatigue Strength, MPa 55 to 110
230 to 340
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 150 to 240
340 to 480
Tensile Strength: Ultimate (UTS), MPa 180 to 290
510 to 800
Tensile Strength: Yield (Proof), MPa 120 to 220
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 210
680
Melting Completion (Liquidus), °C 640
1530
Melting Onset (Solidus), °C 530
1480
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130 to 170
30
Thermal Expansion, µm/m-K 22
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 3.1
7.7
Embodied Carbon, kg CO2/kg material 8.3
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1130
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
220 to 940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 16 to 26
18 to 29
Strength to Weight: Bending, points 23 to 32
18 to 25
Thermal Diffusivity, mm2/s 50 to 62
8.1
Thermal Shock Resistance, points 8.0 to 13
19 to 30

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.25
12 to 14
Copper (Cu), % 3.5 to 4.5
0
Iron (Fe), % 0 to 1.0
83.2 to 87.9
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.35
0 to 1.3
Nickel (Ni), % 1.7 to 2.3
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0

Comparable Variants