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ISO-WD32260 Magnesium vs. S46910 Stainless Steel

ISO-WD32260 magnesium belongs to the magnesium alloys classification, while S46910 stainless steel belongs to the iron alloys. There are 26 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 ISO-WD32260 magnesium and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
200
Elongation at Break, % 4.5 to 6.0
2.2 to 11
Fatigue Strength, MPa 150 to 190
250 to 1020
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 190 to 200
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 330 to 340
680 to 2470
Tensile Strength: Yield (Proof), MPa 230 to 250
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 120
810
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 970
470
Thermal Expansion, µm/m-K 27
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
18
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 23
4.1
Embodied Energy, MJ/kg 160
55
Embodied Water, L/kg 940
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 19
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 700
510 to 4780
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 48 to 51
24 to 86
Strength to Weight: Bending, points 56 to 58
22 to 51
Thermal Shock Resistance, points 19 to 20
23 to 84

Alloy Composition


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Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 0
65 to 76
Magnesium (Mg), % 92.7 to 94.8
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Zinc (Zn), % 4.8 to 6.2
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0

Comparable Variants