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6061-O Aluminum vs. Normalized SAE-AISI 4130

6061-O aluminum belongs to the aluminum alloys classification, while normalized SAE-AISI 4130 belongs to the iron 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 6061-O aluminum and the bottom bar is normalized SAE-AISI 4130.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 33
200
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 20
26
Fatigue Strength, MPa 61
320
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 84
430
Tensile Strength: Ultimate (UTS), MPa 130
670
Tensile Strength: Yield (Proof), MPa 76
440

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 170
43
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
150
Resilience: Unit (Modulus of Resilience), kJ/m3 42
500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 13
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, m2/s 68
12
Thermal Shock Resistance, points 5.7
20

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0.040 to 0.35
0.8 to 1.1
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
97.3 to 98.2
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.4 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.4 to 0.8
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0