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EN-MC65220 Magnesium vs. SAE-AISI 1005 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while SAE-AISI 1005 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
95
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
23
Fatigue Strength, MPa 110
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 150
210
Tensile Strength: Ultimate (UTS), MPa 270
330
Tensile Strength: Yield (Proof), MPa 200
260

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 610
1470
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 110
53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.8
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 27
1.4
Embodied Energy, MJ/kg 210
18

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
70
Resilience: Unit (Modulus of Resilience), kJ/m3 450
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
24
Strength to Weight: Axial, points 40
12
Strength to Weight: Bending, points 49
13
Thermal Diffusivity, mm2/s 61
14
Thermal Shock Resistance, points 17
10

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
99.5 to 100
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 0.35
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.050
Unspecified Rare Earths, % 1.5 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