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SAE-AISI 1132 Steel vs. 444.0 Aluminum

SAE-AISI 1132 steel belongs to the iron alloys classification, while 444.0 aluminum belongs to the aluminum 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 SAE-AISI 1132 steel and the bottom bar is 444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
50
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 14 to 18
25
Fatigue Strength, MPa 240 to 380
51
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 640 to 720
190
Tensile Strength: Yield (Proof), MPa 350 to 590
83

Thermal Properties

Latent Heat of Fusion, J/g 250
500
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51
160
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
140

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.4
7.9
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 48
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
39
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 940
49
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 23 to 25
20
Strength to Weight: Bending, points 21 to 23
28
Thermal Diffusivity, mm2/s 14
67
Thermal Shock Resistance, points 19 to 22
8.8

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.5
Carbon (C), % 0.24 to 0.34
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.8 to 98.3
0 to 0.6
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 1.4 to 1.7
0 to 0.35
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
6.5 to 7.5
Sulfur (S), % 0.080 to 0.13
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15