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SAE-AISI 1021 Steel vs. 360.0 Aluminum

SAE-AISI 1021 steel belongs to the iron alloys classification, while 360.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1021 steel and the bottom bar is 360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
75
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 17 to 27
2.5
Fatigue Strength, MPa 190 to 300
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Shear Strength, MPa 310 to 320
190
Tensile Strength: Ultimate (UTS), MPa 480 to 530
300
Tensile Strength: Yield (Proof), MPa 260 to 450
170

Thermal Properties

Latent Heat of Fusion, J/g 250
530
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
570
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 52
130
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.9
2.6
Embodied Carbon, kg CO2/kg material 1.4
7.8
Embodied Energy, MJ/kg 18
140
Embodied Water, L/kg 46
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
6.4
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 17 to 19
32
Strength to Weight: Bending, points 17 to 18
38
Thermal Diffusivity, mm2/s 14
55
Thermal Shock Resistance, points 15 to 17
14

Alloy Composition

Aluminum (Al), % 0
85.1 to 90.6
Carbon (C), % 0.18 to 0.23
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 98.8 to 99.22
0 to 2.0
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0.6 to 0.9
0 to 0.35
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
9.0 to 10
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25