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SAE-AISI 6150 Steel vs. 383.0 Aluminum

SAE-AISI 6150 steel belongs to the iron alloys classification, while 383.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 6150 steel and the bottom bar is 383.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
75
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 15 to 23
3.5
Fatigue Strength, MPa 300 to 750
150
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
28
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
280
Tensile Strength: Yield (Proof), MPa 420 to 1160
150

Thermal Properties

Latent Heat of Fusion, J/g 250
540
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1460
580
Melting Onset (Solidus), °C 1410
540
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 46
96
Thermal Expansion, µm/m-K 12 to 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
74

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
10
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 2.0
7.5
Embodied Energy, MJ/kg 28
140
Embodied Water, L/kg 51
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
150
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 22 to 43
28
Strength to Weight: Bending, points 21 to 32
34
Thermal Diffusivity, mm2/s 13
39
Thermal Shock Resistance, points 20 to 38
13

Alloy Composition

Aluminum (Al), % 0
79.7 to 88.5
Carbon (C), % 0.48 to 0.53
0
Chromium (Cr), % 0.8 to 1.1
0
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 96.7 to 97.7
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.7 to 0.9
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
9.5 to 11.5
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.15
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5