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1050A Aluminum vs. AISI 416 Stainless Steel

1050A 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 (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 1050A aluminum and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 33
13 to 31
Fatigue Strength, MPa 22 to 55
230 to 340
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 44 to 97
340 to 480
Tensile Strength: Ultimate (UTS), MPa 68 to 170
510 to 800
Tensile Strength: Yield (Proof), MPa 22 to 150
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 170
680
Melting Completion (Liquidus), °C 660
1530
Melting Onset (Solidus), °C 650
1480
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 230
30
Thermal Expansion, µm/m-K 24
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 200
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1200
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
220 to 940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 6.9 to 18
18 to 29
Strength to Weight: Bending, points 14 to 25
18 to 25
Thermal Diffusivity, mm2/s 94
8.1
Thermal Shock Resistance, points 3.0 to 7.6
19 to 30

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
83.2 to 87.9
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 1.3
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.070
0

Comparable Variants