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AISI 416 Stainless Steel vs. EN AC-47000 Aluminum

AISI 416 stainless steel belongs to the iron alloys classification, while EN AC-47000 aluminum belongs to the aluminum alloys. There are 30 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 416 stainless steel and the bottom bar is EN AC-47000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
60
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 13 to 31
1.7
Fatigue Strength, MPa 230 to 340
68
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 510 to 800
180
Tensile Strength: Yield (Proof), MPa 290 to 600
97

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Maximum Temperature: Mechanical, °C 680
170
Melting Completion (Liquidus), °C 1530
590
Melting Onset (Solidus), °C 1480
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 30
130
Thermal Expansion, µm/m-K 9.9
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
33
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 1.9
7.7
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 100
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
65
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 18 to 29
19
Strength to Weight: Bending, points 18 to 25
27
Thermal Diffusivity, mm2/s 8.1
55
Thermal Shock Resistance, points 19 to 30
8.3

Alloy Composition

Aluminum (Al), % 0
82.1 to 89.5
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 12 to 14
0 to 0.1
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 83.2 to 87.9
0 to 0.8
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0 to 1.3
0.050 to 0.55
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
10.5 to 13.5
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.55
Residuals, % 0
0 to 0.25