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ASTM A182 Grade F92 vs. EQ21A Magnesium

ASTM A182 grade F92 belongs to the iron alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 30 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 ASTM A182 grade F92 and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 22
2.4
Fatigue Strength, MPa 360
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
17
Shear Strength, MPa 440
150
Tensile Strength: Ultimate (UTS), MPa 690
250
Tensile Strength: Yield (Proof), MPa 500
190

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Maximum Temperature: Mechanical, °C 590
160
Melting Completion (Liquidus), °C 1490
640
Melting Onset (Solidus), °C 1450
560
Specific Heat Capacity, J/kg-K 470
980
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 10
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
80
Density, g/cm3 7.9
1.9
Embodied Carbon, kg CO2/kg material 2.8
27
Embodied Energy, MJ/kg 40
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 650
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
63
Strength to Weight: Axial, points 24
37
Strength to Weight: Bending, points 22
47
Thermal Diffusivity, mm2/s 6.9
62
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.5 to 9.5
0
Copper (Cu), % 0
0.050 to 0.1
Iron (Fe), % 85.8 to 89.1
0
Magnesium (Mg), % 0
93.9 to 96.8
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0 to 0.010
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0.4 to 1.0
Residuals, % 0
0 to 0.3