MakeItFrom.com
Menu (ESC)

6351 Aluminum vs. AWS E240

6351 aluminum belongs to the aluminum alloys classification, while AWS E240 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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 6351 aluminum and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 7.8 to 18
17
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 140 to 310
770

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Melting Completion (Liquidus), °C 650
1390
Melting Onset (Solidus), °C 570
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 180
15
Thermal Expansion, µm/m-K 23
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
160

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 14 to 32
28
Strength to Weight: Bending, points 22 to 38
24
Thermal Diffusivity, mm2/s 72
3.9
Thermal Shock Resistance, points 6.1 to 14
19

Alloy Composition

Aluminum (Al), % 96 to 98.5
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 0 to 0.5
58.6 to 68.4
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.4 to 0.8
10.5 to 13.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.7 to 1.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0