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AWS E70C-Ni2 vs. ZC63A Magnesium

AWS E70C-Ni2 belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium 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 E70C-Ni2 and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
48
Elongation at Break, % 27
3.3
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
19
Tensile Strength: Ultimate (UTS), MPa 560
220
Tensile Strength: Yield (Proof), MPa 450
130

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1450
550
Melting Onset (Solidus), °C 1410
470
Specific Heat Capacity, J/kg-K 470
950
Thermal Conductivity, W/m-K 52
120
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
13
Density, g/cm3 7.8
2.1
Embodied Carbon, kg CO2/kg material 1.6
22
Embodied Energy, MJ/kg 22
150
Embodied Water, L/kg 51
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 540
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
58
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 19
38
Thermal Diffusivity, mm2/s 14
58
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0 to 0.35
2.4 to 3.0
Iron (Fe), % 94.1 to 98.3
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 1.3
0.25 to 0.75
Nickel (Ni), % 1.8 to 2.8
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.9
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.030
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3