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ASTM A36 Carbon Steel vs. EN-MC95310 Magnesium

ASTM A36 carbon steel belongs to the iron alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys. 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 ASTM A36 carbon steel and the bottom bar is EN-MC95310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
85
Elastic (Young's, Tensile) Modulus, GPa 190
45
Elongation at Break, % 22
2.2
Fatigue Strength, MPa 200
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Shear Strength, MPa 300
160
Tensile Strength: Ultimate (UTS), MPa 480
280
Tensile Strength: Yield (Proof), MPa 290
190

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
960
Thermal Conductivity, W/m-K 50
51
Thermal Expansion, µm/m-K 11
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
11
Electrical Conductivity: Equal Weight (Specific), % IACS 14
50

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
34
Density, g/cm3 7.9
1.9
Embodied Carbon, kg CO2/kg material 1.4
29
Embodied Energy, MJ/kg 18
260
Embodied Water, L/kg 44
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 220
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
61
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 17
49
Thermal Diffusivity, mm2/s 14
28
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.26
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 99.25 to 100
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.9 to 93.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.050
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010