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ASTM A182 Grade F6b vs. 6351 Aluminum

ASTM A182 grade F6b belongs to the iron alloys classification, while 6351 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 ASTM A182 grade F6b and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 18
7.8 to 18
Fatigue Strength, MPa 440
79 to 130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 530
84 to 200
Tensile Strength: Ultimate (UTS), MPa 850
140 to 310
Tensile Strength: Yield (Proof), MPa 710
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 750
160
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 25
180
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
46
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
150

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.2
8.3
Embodied Energy, MJ/kg 30
150
Embodied Water, L/kg 100
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
65 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 30
14 to 32
Strength to Weight: Bending, points 26
22 to 38
Thermal Diffusivity, mm2/s 6.7
72
Thermal Shock Resistance, points 31
6.1 to 14

Alloy Composition

Aluminum (Al), % 0
96 to 98.5
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.5
0 to 0.1
Iron (Fe), % 81.2 to 87.1
0 to 0.5
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0.7 to 1.3
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15