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AISI 441 Stainless Steel vs. 3005 Aluminum

AISI 441 stainless steel belongs to the iron alloys classification, while 3005 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 441 stainless steel and the bottom bar is 3005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
33 to 73
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 23
1.1 to 16
Fatigue Strength, MPa 180
53 to 100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 300
84 to 150
Tensile Strength: Ultimate (UTS), MPa 470
140 to 270
Tensile Strength: Yield (Proof), MPa 270
51 to 240

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 910
180
Melting Completion (Liquidus), °C 1440
660
Melting Onset (Solidus), °C 1400
640
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 23
160
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
42
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
140

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
2.2 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 190
18 to 390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 17
14 to 27
Strength to Weight: Bending, points 17
21 to 33
Thermal Diffusivity, mm2/s 6.1
64
Thermal Shock Resistance, points 16
6.0 to 12

Alloy Composition

Aluminum (Al), % 0
95.7 to 98.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19.5
0 to 0.1
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 76 to 82.2
0 to 0.7
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.3 to 0.9
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.1 to 0.5
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15