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AZ91A Magnesium vs. ASTM A182 Grade F10

AZ91A magnesium belongs to the magnesium alloys classification, while ASTM A182 grade F10 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 AZ91A magnesium and the bottom bar is ASTM A182 grade F10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
190
Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 5.0
34
Fatigue Strength, MPa 99
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
74
Shear Strength, MPa 140
420
Tensile Strength: Ultimate (UTS), MPa 240
630
Tensile Strength: Yield (Proof), MPa 160
230

Thermal Properties

Latent Heat of Fusion, J/g 360
290
Maximum Temperature: Mechanical, °C 130
600
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 470
1370
Specific Heat Capacity, J/kg-K 990
470
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
15
Electrical Conductivity: Equal Weight (Specific), % IACS 52
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 22
3.6
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 990
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
170
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
24
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 49
21
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
0
Carbon (C), % 0
0.1 to 0.2
Chromium (Cr), % 0
7.0 to 9.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
66.5 to 72.4
Magnesium (Mg), % 88.2 to 91.2
0
Manganese (Mn), % 0.13 to 0.5
0.5 to 0.8
Nickel (Ni), % 0 to 0.030
19 to 22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 1.4
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.35 to 1.0
0