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AISI 316 Stainless Steel vs. 383.0 Aluminum

AISI 316 stainless steel belongs to the iron alloys classification, while 383.0 aluminum belongs to the aluminum alloys. There are 31 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 AISI 316 stainless steel and the bottom bar is 383.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 360
75
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 8.0 to 55
3.5
Fatigue Strength, MPa 210 to 430
150
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
28
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
280
Tensile Strength: Yield (Proof), MPa 230 to 850
150

Thermal Properties

Latent Heat of Fusion, J/g 290
540
Maximum Temperature: Mechanical, °C 590
170
Melting Completion (Liquidus), °C 1400
580
Melting Onset (Solidus), °C 1380
540
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 15
96
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
74

Otherwise Unclassified Properties

Base Metal Price, % relative 19
10
Calomel Potential, mV -50
-690
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 3.9
7.5
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 150
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
150
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 18 to 41
28
Strength to Weight: Bending, points 18 to 31
34
Thermal Diffusivity, mm2/s 4.1
39
Thermal Shock Resistance, points 11 to 26
13

Alloy Composition

Aluminum (Al), % 0
79.7 to 88.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 62 to 72
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0 to 0.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
9.5 to 11.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5