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AZ80A Magnesium vs. ASTM A210 Steel

AZ80A magnesium belongs to the magnesium alloys classification, while ASTM A210 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 AZ80A magnesium and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 3.9 to 8.5
34
Fatigue Strength, MPa 140 to 170
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
73
Shear Strength, MPa 160 to 190
320 to 360
Tensile Strength: Ultimate (UTS), MPa 320 to 340
470 to 540
Tensile Strength: Yield (Proof), MPa 210 to 230
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 130
400
Melting Completion (Liquidus), °C 600
1460 to 1470
Melting Onset (Solidus), °C 490
1420
Specific Heat Capacity, J/kg-K 990
470
Thermal Conductivity, W/m-K 77
52 to 53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 59
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 990
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 24
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 600
230 to 250
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
24
Strength to Weight: Axial, points 51 to 55
17 to 19
Strength to Weight: Bending, points 60 to 63
17 to 19
Thermal Diffusivity, mm2/s 45
14
Thermal Shock Resistance, points 19 to 20
15 to 17