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ISO-WD32250 Magnesium vs. SAE-AISI 1010 Steel

ISO-WD32250 magnesium belongs to the magnesium alloys classification, while SAE-AISI 1010 steel belongs to the iron alloys. There are 30 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 ISO-WD32250 magnesium and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 4.5 to 8.6
22 to 31
Fatigue Strength, MPa 170 to 210
150 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 180 to 190
230 to 250
Tensile Strength: Ultimate (UTS), MPa 310 to 330
350 to 400
Tensile Strength: Yield (Proof), MPa 240 to 290
190 to 330

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 600
1470
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 130
47
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
12
Electrical Conductivity: Equal Weight (Specific), % IACS 130
14

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 1.8
7.9
Embodied Carbon, kg CO2/kg material 24
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 950
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 26
82 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 930
100 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 67
24
Strength to Weight: Axial, points 49 to 51
12 to 14
Strength to Weight: Bending, points 58 to 60
14 to 15
Thermal Diffusivity, mm2/s 72
13
Thermal Shock Resistance, points 19 to 20
11 to 13

Alloy Composition


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Carbon (C), % 0
0.080 to 0.13
Iron (Fe), % 0
99.18 to 99.62
Magnesium (Mg), % 94.9 to 97.1
0
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 2.5 to 4.0
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0