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EN 1.4983 Stainless Steel vs. ISO-WD32260 Magnesium

EN 1.4983 stainless steel belongs to the iron alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4983 stainless steel and the bottom bar is ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
46
Elongation at Break, % 40
4.5 to 6.0
Fatigue Strength, MPa 200
150 to 190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
18
Shear Strength, MPa 430
190 to 200
Tensile Strength: Ultimate (UTS), MPa 630
330 to 340
Tensile Strength: Yield (Proof), MPa 230
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
120
Melting Completion (Liquidus), °C 1440
600
Melting Onset (Solidus), °C 1400
520
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.9
1.9
Embodied Carbon, kg CO2/kg material 4.1
23
Embodied Energy, MJ/kg 56
160
Embodied Water, L/kg 150
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 140
560 to 700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
63
Strength to Weight: Axial, points 22
48 to 51
Strength to Weight: Bending, points 21
56 to 58
Thermal Diffusivity, mm2/s 4.0
63
Thermal Shock Resistance, points 14
19 to 20

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.040 to 0.080
0
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 61.8 to 69.6
0
Magnesium (Mg), % 0
92.7 to 94.8
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.4 to 0.8
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3