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AWS E409Nb vs. 705.0 Aluminum

AWS E409Nb belongs to the iron alloys classification, while 705.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 AWS E409Nb and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 23
8.4 to 10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Tensile Strength: Ultimate (UTS), MPa 500
240 to 260
Tensile Strength: Yield (Proof), MPa 380
130

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1410
610
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 25
140
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
34
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 2.9
8.4
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 100
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 380
120 to 130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 18
24 to 26
Strength to Weight: Bending, points 18
31 to 32
Thermal Diffusivity, mm2/s 6.8
55
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0
92.3 to 98.6
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 11 to 14
0 to 0.4
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 80.2 to 88.5
0 to 0.8
Magnesium (Mg), % 0
1.4 to 1.8
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 3.3
Residuals, % 0
0 to 0.15