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EN-MC35110 Magnesium vs. ASTM Grade HG10 MNN Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while ASTM grade HG10 MNN steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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-MC35110 magnesium and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
170
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
23
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Tensile Strength: Ultimate (UTS), MPa 230
590
Tensile Strength: Yield (Proof), MPa 150
250

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 140
990
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 520
1370
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
21
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 24
4.0
Embodied Energy, MJ/kg 170
58
Embodied Water, L/kg 940
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
21
Strength to Weight: Bending, points 44
20
Thermal Diffusivity, mm2/s 61
3.9
Thermal Shock Resistance, points 14
13

Alloy Composition


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Carbon (C), % 0
0.070 to 0.11
Chromium (Cr), % 0
18.5 to 20.5
Copper (Cu), % 0 to 0.030
0 to 0.5
Iron (Fe), % 0 to 0.010
57.9 to 66.5
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
3.0 to 5.0
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0 to 0.0050
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 0.7
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0