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EN-MC21210 Magnesium vs. ASTM A182 Grade F5a

EN-MC21210 magnesium belongs to the magnesium alloys classification, while ASTM A182 grade F5a 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-MC21210 magnesium and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
310
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
25
Fatigue Strength, MPa 70
380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 110
450
Tensile Strength: Ultimate (UTS), MPa 190
710
Tensile Strength: Yield (Proof), MPa 90
520

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 100
510
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.5
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 24
1.8
Embodied Energy, MJ/kg 160
24
Embodied Water, L/kg 980
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
160
Resilience: Unit (Modulus of Resilience), kJ/m3 92
700
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
25
Strength to Weight: Bending, points 44
23
Thermal Diffusivity, mm2/s 76
11
Thermal Shock Resistance, points 11
20

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
91.4 to 95.6
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0