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AISI 430F Stainless Steel vs. 384.0 Aluminum

AISI 430F stainless steel belongs to the iron alloys classification, while 384.0 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 430F stainless steel and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
85
Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 23
2.5
Fatigue Strength, MPa 210
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Shear Strength, MPa 340
200
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 310
170

Thermal Properties

Latent Heat of Fusion, J/g 280
550
Maximum Temperature: Mechanical, °C 870
170
Melting Completion (Liquidus), °C 1430
580
Melting Onset (Solidus), °C 1390
530
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 25
96
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
22
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
69

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
11
Density, g/cm3 7.7
2.9
Embodied Carbon, kg CO2/kg material 2.1
7.4
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 120
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 250
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 20
32
Strength to Weight: Bending, points 19
37
Thermal Diffusivity, mm2/s 6.7
39
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0
77.3 to 86.5
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
3.0 to 4.5
Iron (Fe), % 79.2 to 83.9
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.3
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
10.5 to 12
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5