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ASTM A182 Grade F3V vs. AZ91D Magnesium

ASTM A182 grade F3V belongs to the iron alloys classification, while AZ91D magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 ASTM A182 grade F3V and the bottom bar is AZ91D magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
60 to 80
Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 20
2.3 to 4.5
Fatigue Strength, MPa 330
74 to 85
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
18
Shear Strength, MPa 410
120 to 140
Tensile Strength: Ultimate (UTS), MPa 660
160 to 220
Tensile Strength: Yield (Proof), MPa 470
80 to 130

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 470
130
Melting Completion (Liquidus), °C 1470
600
Melting Onset (Solidus), °C 1430
490
Specific Heat Capacity, J/kg-K 470
990
Thermal Conductivity, W/m-K 39
78
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
58

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
12
Density, g/cm3 7.9
1.7
Embodied Carbon, kg CO2/kg material 2.3
22
Embodied Energy, MJ/kg 33
160
Embodied Water, L/kg 63
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
4.2 to 7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 590
69 to 170
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
69
Strength to Weight: Axial, points 23
26 to 34
Strength to Weight: Bending, points 21
38 to 46
Thermal Diffusivity, mm2/s 10
45
Thermal Shock Resistance, points 19
9.5 to 13

Alloy Composition

Aluminum (Al), % 0
8.3 to 9.7
Boron (B), % 0.0010 to 0.0030
0
Carbon (C), % 0.050 to 0.18
0
Chromium (Cr), % 2.8 to 3.2
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 94.4 to 95.7
0 to 0.0050
Magnesium (Mg), % 0
88.7 to 91.2
Manganese (Mn), % 0.3 to 0.6
0.15 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0.015 to 0.035
0
Vanadium (V), % 0.2 to 0.3
0
Zinc (Zn), % 0
0.35 to 1.0