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SAE-AISI 1213 Steel vs. 6101A Aluminum

SAE-AISI 1213 steel belongs to the iron alloys classification, while 6101A 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 1213 steel and the bottom bar is 6101A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 11 to 29
11
Fatigue Strength, MPa 200 to 290
80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 290 to 360
130
Tensile Strength: Ultimate (UTS), MPa 440 to 600
220
Tensile Strength: Yield (Proof), MPa 260 to 470
190

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51
200
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
55
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
180

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.3
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 110
24
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 580
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 16 to 21
23
Strength to Weight: Bending, points 17 to 20
30
Thermal Diffusivity, mm2/s 14
84
Thermal Shock Resistance, points 14 to 19
10

Alloy Composition

Aluminum (Al), % 0
97.9 to 99.3
Carbon (C), % 0 to 0.13
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 98.4 to 99
0 to 0.4
Magnesium (Mg), % 0
0.4 to 0.9
Manganese (Mn), % 0.7 to 1.0
0
Phosphorus (P), % 0.070 to 0.12
0
Silicon (Si), % 0
0.3 to 0.7
Sulfur (S), % 0.24 to 0.33
0
Residuals, % 0
0 to 0.1