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AM60B Magnesium vs. SAE-AISI 1008 Steel

AM60B magnesium belongs to the magnesium alloys classification, while SAE-AISI 1008 steel belongs to the iron alloys. There are 31 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 AM60B magnesium and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
22 to 33
Fatigue Strength, MPa 96
150 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 140
220 to 230
Tensile Strength: Ultimate (UTS), MPa 230
330 to 370
Tensile Strength: Yield (Proof), MPa 130
190 to 310

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 540
1430
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 61
62
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 72
7.9

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 190
92 to 260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 38
12 to 13
Strength to Weight: Bending, points 50
13 to 15
Thermal Diffusivity, mm2/s 37
17
Thermal Shock Resistance, points 14
10 to 12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
99.31 to 99.7
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0.3 to 0.5
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.22
0