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SAE-AISI 1552 Steel vs. ZC63A Magnesium

SAE-AISI 1552 steel belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 31 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 SAE-AISI 1552 steel and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
60
Elastic (Young's, Tensile) Modulus, GPa 190
48
Elongation at Break, % 11 to 14
3.3
Fatigue Strength, MPa 290 to 400
94
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
19
Shear Strength, MPa 460 to 510
130
Tensile Strength: Ultimate (UTS), MPa 760 to 840
220
Tensile Strength: Yield (Proof), MPa 460 to 650
130

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
98
Melting Completion (Liquidus), °C 1460
550
Melting Onset (Solidus), °C 1420
470
Specific Heat Capacity, J/kg-K 470
950
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
32
Electrical Conductivity: Equal Weight (Specific), % IACS 12
140

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
2.1
Embodied Carbon, kg CO2/kg material 1.4
22
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 47
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
58
Strength to Weight: Axial, points 27 to 30
29
Strength to Weight: Bending, points 24 to 25
38
Thermal Diffusivity, mm2/s 14
58
Thermal Shock Resistance, points 26 to 29
12

Alloy Composition

Carbon (C), % 0.47 to 0.55
0
Copper (Cu), % 0
2.4 to 3.0
Iron (Fe), % 97.9 to 98.3
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 1.2 to 1.5
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3