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AISI 418 Stainless Steel vs. 360.0 Aluminum

AISI 418 stainless steel belongs to the iron alloys classification, while 360.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 AISI 418 stainless steel and the bottom bar is 360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
75
Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 17
2.5
Fatigue Strength, MPa 520
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Shear Strength, MPa 680
190
Tensile Strength: Ultimate (UTS), MPa 1100
300
Tensile Strength: Yield (Proof), MPa 850
170

Thermal Properties

Latent Heat of Fusion, J/g 270
530
Maximum Temperature: Mechanical, °C 770
170
Melting Completion (Liquidus), °C 1500
590
Melting Onset (Solidus), °C 1460
570
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
34
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 2.9
7.8
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 110
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
6.4
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 29
38
Thermal Diffusivity, mm2/s 6.7
55
Thermal Shock Resistance, points 40
14

Alloy Composition

Aluminum (Al), % 0
85.1 to 90.6
Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 78.5 to 83.6
0 to 2.0
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 0.5
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
9.0 to 10
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Tungsten (W), % 2.5 to 3.5
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25