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EN 1.3975 Stainless Steel vs. ISO-WD32260 Magnesium

EN 1.3975 stainless steel belongs to the iron alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 25 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 1.3975 stainless steel and the bottom bar is ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 27
4.5 to 6.0
Fatigue Strength, MPa 230
150 to 190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
18
Tensile Strength: Ultimate (UTS), MPa 660
330 to 340
Tensile Strength: Yield (Proof), MPa 320
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 340
330
Maximum Temperature: Mechanical, °C 910
120
Melting Completion (Liquidus), °C 1360
600
Melting Onset (Solidus), °C 1320
520
Specific Heat Capacity, J/kg-K 500
970
Thermal Expansion, µm/m-K 16
27

Otherwise Unclassified Properties

Base Metal Price, % relative 15
13
Density, g/cm3 7.5
1.9
Embodied Carbon, kg CO2/kg material 3.3
23
Embodied Energy, MJ/kg 47
160
Embodied Water, L/kg 150
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 270
560 to 700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
63
Strength to Weight: Axial, points 24
48 to 51
Strength to Weight: Bending, points 22
56 to 58
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 58.2 to 65.4
0
Magnesium (Mg), % 0
92.7 to 94.8
Manganese (Mn), % 7.0 to 9.0
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3