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EN-MC65220 Magnesium vs. R04295 Alloy

EN-MC65220 magnesium belongs to the magnesium alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 EN-MC65220 magnesium and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 2.2
22
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 17
37
Tensile Strength: Ultimate (UTS), MPa 270
410
Tensile Strength: Yield (Proof), MPa 200
300

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Specific Heat Capacity, J/kg-K 980
260
Thermal Expansion, µm/m-K 26
7.2

Otherwise Unclassified Properties

Density, g/cm3 1.9
9.0

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
84
Resilience: Unit (Modulus of Resilience), kJ/m3 450
430
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 62
17
Strength to Weight: Axial, points 40
13
Strength to Weight: Bending, points 49
14
Thermal Shock Resistance, points 17
40

Alloy Composition


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Carbon (C), % 0
0 to 0.015
Copper (Cu), % 0.050 to 0.1
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Niobium (Nb), % 0
85.9 to 90.3
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.7
Residuals, % 0 to 0.010
0