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EN-MC21320 Magnesium vs. ASTM A182 Grade F911

EN-MC21320 magnesium belongs to the magnesium alloys classification, while ASTM A182 grade F911 belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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-MC21320 magnesium and the bottom bar is ASTM A182 grade F911.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
220
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 7.5
20
Fatigue Strength, MPa 95
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 130
430
Tensile Strength: Ultimate (UTS), MPa 230
690
Tensile Strength: Yield (Proof), MPa 140
500

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 110
600
Melting Completion (Liquidus), °C 600
1480
Melting Onset (Solidus), °C 530
1440
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 66
26
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 91
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
7.9
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 980
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
130
Resilience: Unit (Modulus of Resilience), kJ/m3 200
650
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 38
24
Strength to Weight: Bending, points 50
22
Thermal Diffusivity, mm2/s 40
6.9
Thermal Shock Resistance, points 13
19

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0 to 0.020
Boron (B), % 0
0.00030 to 0.0060
Carbon (C), % 0
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
86.2 to 88.9
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.0020
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.040 to 0.090
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0.1 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.010
0