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AWS E80C-Ni1 vs. AZ91A Magnesium

AWS E80C-Ni1 belongs to the iron alloys classification, while AZ91A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 E80C-Ni1 and the bottom bar is AZ91A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 27
5.0
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
18
Tensile Strength: Ultimate (UTS), MPa 620
240
Tensile Strength: Yield (Proof), MPa 540
160

Thermal Properties

Latent Heat of Fusion, J/g 250
360
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
470
Specific Heat Capacity, J/kg-K 470
990
Thermal Conductivity, W/m-K 40
73
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
52

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
12
Density, g/cm3 7.8
1.7
Embodied Carbon, kg CO2/kg material 1.6
22
Embodied Energy, MJ/kg 21
160
Embodied Water, L/kg 49
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
11
Resilience: Unit (Modulus of Resilience), kJ/m3 770
280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
69
Strength to Weight: Axial, points 22
38
Strength to Weight: Bending, points 21
49
Thermal Diffusivity, mm2/s 11
42
Thermal Shock Resistance, points 18
14

Alloy Composition


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Aluminum (Al), % 0
8.3 to 9.7
Carbon (C), % 0 to 0.12
0
Copper (Cu), % 0 to 0.35
0 to 0.1
Iron (Fe), % 95.1 to 99.2
0
Magnesium (Mg), % 0
88.2 to 91.2
Manganese (Mn), % 0 to 1.5
0.13 to 0.5
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0.8 to 1.1
0 to 0.030
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.9
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.030
0
Zinc (Zn), % 0
0.35 to 1.0
Residuals, % 0 to 0.5
0