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AM60A Magnesium vs. EN 1.0558 Cast Steel

AM60A magnesium belongs to the magnesium alloys classification, while EN 1.0558 cast steel belongs to the iron alloys. There are 29 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 AM60A magnesium and the bottom bar is EN 1.0558 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 8.8
18
Fatigue Strength, MPa 70
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
73
Tensile Strength: Ultimate (UTS), MPa 230
640
Tensile Strength: Yield (Proof), MPa 130
340

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 620
1470
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 62
53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 69
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.7
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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
99
Resilience: Unit (Modulus of Resilience), kJ/m3 190
300
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 37
22
Strength to Weight: Bending, points 49
21
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 14
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0
99.935 to 100
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0
Nickel (Ni), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.22
0