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AM60B Magnesium vs. ASTM A369 Grade FP5

AM60B magnesium belongs to the magnesium alloys classification, while ASTM A369 grade FP5 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 ASTM A369 grade FP5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
140
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 96
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 140
300
Tensile Strength: Ultimate (UTS), MPa 230
470
Tensile Strength: Yield (Proof), MPa 130
240

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 120
510
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
40
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 72
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.3
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
1.7
Embodied Energy, MJ/kg 160
23
Embodied Water, L/kg 990
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
80
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 50
17
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
92.1 to 95.3
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.22
0