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AISI 430F Stainless Steel vs. 712.0 Aluminum

AISI 430F stainless steel belongs to the iron alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 23
4.5 to 4.7
Fatigue Strength, MPa 210
140 to 180
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
27
Shear Strength, MPa 340
180
Tensile Strength: Ultimate (UTS), MPa 540
250 to 260
Tensile Strength: Yield (Proof), MPa 310
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 280
380
Maximum Temperature: Mechanical, °C 870
190
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
610
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 25
160
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
40
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
9.5
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.1
8.0
Embodied Energy, MJ/kg 29
150
Embodied Water, L/kg 120
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 250
240 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 20
24 to 25
Strength to Weight: Bending, points 19
30 to 31
Thermal Diffusivity, mm2/s 6.7
62
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0
90.7 to 94
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 16 to 18
0.4 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 79.2 to 83.9
0 to 0.5
Magnesium (Mg), % 0
0.5 to 0.65
Manganese (Mn), % 0 to 1.3
0 to 0.1
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0.15 to 0.35
0
Titanium (Ti), % 0
0.15 to 0.25
Zinc (Zn), % 0
5.0 to 6.5
Residuals, % 0
0 to 0.2