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AWS ER90S-B9 vs. 384.0 Aluminum

AWS ER90S-B9 belongs to the iron alloys classification, while 384.0 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 ER90S-B9 and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 18
2.5
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
28
Tensile Strength: Ultimate (UTS), MPa 690
330
Tensile Strength: Yield (Proof), MPa 470
170

Thermal Properties

Latent Heat of Fusion, J/g 270
550
Melting Completion (Liquidus), °C 1450
580
Melting Onset (Solidus), °C 1410
530
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 25
96
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
69

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 2.6
7.4
Embodied Energy, MJ/kg 37
140
Embodied Water, L/kg 91
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 570
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 22
37
Thermal Diffusivity, mm2/s 6.9
39
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0 to 0.040
77.3 to 86.5
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0
Copper (Cu), % 0 to 0.2
3.0 to 4.5
Iron (Fe), % 84.4 to 90.7
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.2
0 to 0.5
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
0 to 0.5
Niobium (Nb), % 0.020 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.15 to 0.5
10.5 to 12
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.35
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5