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AS41A Magnesium vs. ASTM A182 Grade F5

AS41A magnesium belongs to the magnesium alloys classification, while ASTM A182 grade F5 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 AS41A magnesium and the bottom bar is ASTM A182 grade F5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
22
Fatigue Strength, MPa 100
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 130
340
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 110
510
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 68
40
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 92
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.5
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 23
1.8
Embodied Energy, MJ/kg 160
24
Embodied Water, L/kg 980
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 38
19
Strength to Weight: Bending, points 50
19
Thermal Diffusivity, mm2/s 41
11
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
91.5 to 95.3
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.030
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.12
0