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AM60B Magnesium vs. SAE-AISI 9310 Steel

AM60B magnesium belongs to the magnesium alloys classification, while SAE-AISI 9310 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 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
17 to 19
Fatigue Strength, MPa 96
300 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 140
510 to 570
Tensile Strength: Ultimate (UTS), MPa 230
820 to 910
Tensile Strength: Yield (Proof), MPa 130
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 120
440
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 61
48
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 72
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.4
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
1.8
Embodied Energy, MJ/kg 160
24
Embodied Water, L/kg 990
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
540 to 860
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 38
29 to 32
Strength to Weight: Bending, points 50
25 to 27
Thermal Diffusivity, mm2/s 37
13
Thermal Shock Resistance, points 14
24 to 27

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0.080 to 0.13
Chromium (Cr), % 0
1.0 to 1.4
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
93.8 to 95.2
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0.45 to 0.65
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0 to 0.0020
3.0 to 3.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.1
0.2 to 0.35
Sulfur (S), % 0
0 to 0.012
Zinc (Zn), % 0 to 0.22
0