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WE43B Magnesium vs. R60704 Alloy

WE43B magnesium belongs to the magnesium alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 WE43B magnesium and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
97
Elongation at Break, % 2.2
16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
36
Tensile Strength: Ultimate (UTS), MPa 250
470
Tensile Strength: Yield (Proof), MPa 200
270

Thermal Properties

Latent Heat of Fusion, J/g 330
240
Specific Heat Capacity, J/kg-K 960
270
Thermal Conductivity, W/m-K 51
22
Thermal Expansion, µm/m-K 27
6.0

Otherwise Unclassified Properties

Density, g/cm3 1.9
6.7
Embodied Water, L/kg 910
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
64
Resilience: Unit (Modulus of Resilience), kJ/m3 430
370
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 61
23
Strength to Weight: Axial, points 36
20
Strength to Weight: Bending, points 46
20
Thermal Diffusivity, mm2/s 28
12
Thermal Shock Resistance, points 15
58

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 0 to 0.020
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.010
0.2 to 0.4
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Tin (Sn), % 0
1.0 to 2.0
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
93 to 98.8