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ZK40A Magnesium vs. ASTM A210 Steel

ZK40A 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 ZK40A magnesium and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 4.2
34
Fatigue Strength, MPa 190
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 160
320 to 360
Tensile Strength: Ultimate (UTS), MPa 280
470 to 540
Tensile Strength: Yield (Proof), MPa 260
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 600
1460 to 1470
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
52 to 53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.0 to 8.1

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 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 740
230 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 65
24
Strength to Weight: Axial, points 43
17 to 19
Strength to Weight: Bending, points 53
17 to 19
Thermal Diffusivity, mm2/s 62
14
Thermal Shock Resistance, points 17
15 to 17