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3005 Aluminum vs. AISI 441 Stainless Steel

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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