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AISI 416 Stainless Steel vs. 336.0 Aluminum

AISI 416 stainless steel belongs to the iron alloys classification, while 336.0 aluminum belongs to the aluminum alloys. There are 31 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 AISI 416 stainless steel and the bottom bar is 336.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
110 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
75
Elongation at Break, % 13 to 31
0.5
Fatigue Strength, MPa 230 to 340
80 to 93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
28
Shear Strength, MPa 340 to 480
190 to 250
Tensile Strength: Ultimate (UTS), MPa 510 to 800
250 to 320
Tensile Strength: Yield (Proof), MPa 290 to 600
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Maximum Temperature: Mechanical, °C 680
210
Melting Completion (Liquidus), °C 1530
570
Melting Onset (Solidus), °C 1480
540
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 30
120
Thermal Expansion, µm/m-K 9.9
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
29
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
95

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 1.9
7.9
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 100
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
1.1 to 1.6
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
250 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 18 to 29
25 to 32
Strength to Weight: Bending, points 18 to 25
32 to 38
Thermal Diffusivity, mm2/s 8.1
48
Thermal Shock Resistance, points 19 to 30
12 to 16

Alloy Composition

Aluminum (Al), % 0
79.1 to 85.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 83.2 to 87.9
0 to 1.2
Magnesium (Mg), % 0
0.7 to 1.3
Manganese (Mn), % 0 to 1.3
0 to 0.35
Nickel (Ni), % 0
2.0 to 3.0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
11 to 13
Sulfur (S), % 0.15 to 0.35
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35