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ASTM A148 Cast Steel vs. EN-MC65120 Magnesium

ASTM A148 cast steel belongs to the iron alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 ASTM A148 cast steel and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 390
55
Elastic (Young's, Tensile) Modulus, GPa 190
45
Elongation at Break, % 5.7 to 25
3.1
Fatigue Strength, MPa 280 to 670
80
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
160
Tensile Strength: Yield (Proof), MPa 390 to 1160
110

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400 to 430
180
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 37 to 47
100
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
25
Density, g/cm3 7.8
1.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
25
Embodied Energy, MJ/kg 20 to 22
190
Embodied Water, L/kg 48 to 53
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
62
Strength to Weight: Axial, points 22 to 46
23
Strength to Weight: Bending, points 21 to 34
34
Thermal Diffusivity, mm2/s 9.9 to 13
56
Thermal Shock Resistance, points 18 to 38
9.8