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ISO-WD32250 Magnesium vs. SAE-AISI H10 Steel

ISO-WD32250 magnesium belongs to the magnesium alloys classification, while SAE-AISI H10 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Tensile Strength: Ultimate (UTS), MPa 310 to 330
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Melting Completion (Liquidus), °C 600
1470
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 130
38
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
6.5
Density, g/cm3 1.8
7.8
Embodied Carbon, kg CO2/kg material 24
3.4
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 950
71

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 67
25
Strength to Weight: Axial, points 49 to 51
24 to 72
Strength to Weight: Bending, points 58 to 60
22 to 46
Thermal Diffusivity, mm2/s 72
10
Thermal Shock Resistance, points 19 to 20
22 to 66

Alloy Composition


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Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0
89.5 to 93.4
Magnesium (Mg), % 94.9 to 97.1
0
Manganese (Mn), % 0
0.25 to 0.7
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.75
Zinc (Zn), % 2.5 to 4.0
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0