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EN-MC65210 Magnesium vs. SAE-AISI 1340 Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while SAE-AISI 1340 steel belongs to the iron alloys. There are 29 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-MC65210 magnesium and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.8
11 to 23
Fatigue Strength, MPa 110
220 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
72
Shear Strength, MPa 150
340 to 440
Tensile Strength: Ultimate (UTS), MPa 270
540 to 730
Tensile Strength: Yield (Proof), MPa 200
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 610
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
51
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.3

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 27
1.4
Embodied Energy, MJ/kg 220
19

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
240 to 1040
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
24
Strength to Weight: Axial, points 38
19 to 26
Strength to Weight: Bending, points 47
19 to 23
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 17
17 to 23

Alloy Composition


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Carbon (C), % 0
0.38 to 0.43
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
97.2 to 97.9
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
1.6 to 1.9
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0.15 to 0.35
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.040
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0