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3004 Aluminum vs. AISI 301 Stainless Steel

3004 aluminum belongs to the aluminum alloys classification, while AISI 301 stainless steel belongs to the iron alloys. There are 32 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 3004 aluminum and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45 to 83
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 1.1 to 19
7.4 to 46
Fatigue Strength, MPa 55 to 120
210 to 600
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 100 to 180
410 to 860
Tensile Strength: Ultimate (UTS), MPa 170 to 310
590 to 1460
Tensile Strength: Yield (Proof), MPa 68 to 270
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 180
840
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 630
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
16
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Calomel Potential, mV -750
-70
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 1180
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 27
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 540
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 18 to 31
21 to 52
Strength to Weight: Bending, points 25 to 37
20 to 37
Thermal Diffusivity, mm2/s 65
4.2
Thermal Shock Resistance, points 7.6 to 13
12 to 31

Alloy Composition

Aluminum (Al), % 95.6 to 98.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.7
70.7 to 78
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 1.0 to 1.5
0 to 2.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0

Comparable Variants