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ASTM A369 Grade FP5 vs. EN-MC21210 Magnesium

ASTM A369 grade FP5 belongs to the iron alloys classification, while EN-MC21210 magnesium belongs to the magnesium 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 ASTM A369 grade FP5 and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
48
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 20
14
Fatigue Strength, MPa 160
70
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
17
Shear Strength, MPa 300
110
Tensile Strength: Ultimate (UTS), MPa 470
190
Tensile Strength: Yield (Proof), MPa 240
90

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Maximum Temperature: Mechanical, °C 510
100
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
570
Specific Heat Capacity, J/kg-K 470
1000
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
12
Density, g/cm3 7.8
1.6
Embodied Carbon, kg CO2/kg material 1.7
24
Embodied Energy, MJ/kg 23
160
Embodied Water, L/kg 69
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
22
Resilience: Unit (Modulus of Resilience), kJ/m3 140
92
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
72
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 17
44
Thermal Diffusivity, mm2/s 11
76
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0
1.6 to 2.6
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
0 to 0.010
Iron (Fe), % 92.1 to 95.3
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0.3 to 0.6
0.1 to 0.7
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010