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EN 1.7076 Steel vs. ISO-WD32350 Magnesium

EN 1.7076 steel belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 EN 1.7076 steel and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
18
Tensile Strength: Ultimate (UTS), MPa 470 to 1700
250 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 420
95
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
990
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
12
Density, g/cm3 7.8
1.7
Embodied Carbon, kg CO2/kg material 1.4
23
Embodied Energy, MJ/kg 19
160
Embodied Water, L/kg 51
960

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
68
Strength to Weight: Axial, points 17 to 60
39 to 46
Strength to Weight: Bending, points 17 to 40
50 to 55
Thermal Diffusivity, mm2/s 12
73
Thermal Shock Resistance, points 14 to 50
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.3 to 0.34
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 97 to 98.2
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0.6 to 0.9
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
1.8 to 2.3
Residuals, % 0
0 to 0.3