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444.0 Aluminum vs. SAE-AISI 9310 Steel

444.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 9310 steel belongs to the iron alloys. There are 30 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 444.0 aluminum and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 25
17 to 19
Fatigue Strength, MPa 51
300 to 390
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 190
820 to 910
Tensile Strength: Yield (Proof), MPa 83
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
48
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.4
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1110
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 49
540 to 860
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 20
29 to 32
Strength to Weight: Bending, points 28
25 to 27
Thermal Diffusivity, mm2/s 67
13
Thermal Shock Resistance, points 8.8
24 to 27

Alloy Composition

Aluminum (Al), % 90.5 to 93.5
0
Carbon (C), % 0
0.080 to 0.13
Chromium (Cr), % 0
1.0 to 1.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.6
93.8 to 95.2
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0.45 to 0.65
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
3.0 to 3.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 6.5 to 7.5
0.2 to 0.35
Sulfur (S), % 0
0 to 0.012
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0