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EN-MC21110 Magnesium vs. ASTM A182 Grade F36

EN-MC21110 magnesium belongs to the magnesium alloys classification, while ASTM A182 grade F36 belongs to the iron alloys. 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-MC21110 magnesium and the bottom bar is ASTM A182 grade F36.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58 to 63
220
Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 2.8 to 6.7
17
Fatigue Strength, MPa 75 to 78
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
73
Shear Strength, MPa 120 to 160
440
Tensile Strength: Ultimate (UTS), MPa 200 to 270
710
Tensile Strength: Yield (Proof), MPa 100 to 120
490

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 130
410
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 500
1420
Specific Heat Capacity, J/kg-K 990
470
Thermal Conductivity, W/m-K 80
39
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 61
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.4
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
1.7
Embodied Energy, MJ/kg 160
22
Embodied Water, L/kg 990
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 14
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 150
650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
24
Strength to Weight: Axial, points 33 to 44
25
Strength to Weight: Bending, points 45 to 54
22
Thermal Diffusivity, mm2/s 47
10
Thermal Shock Resistance, points 12 to 16
21

Alloy Composition

Aluminum (Al), % 7.0 to 8.7
0 to 0.050
Carbon (C), % 0
0.1 to 0.17
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0.5 to 0.8
Iron (Fe), % 0 to 0.0050
95 to 97.1
Magnesium (Mg), % 89.6 to 92.6
0
Manganese (Mn), % 0.1 to 0.35
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0 to 0.0020
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0.25 to 0.5
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0 to 0.020
Zinc (Zn), % 0.35 to 1.0
0
Residuals, % 0 to 0.010
0