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EN 1.4527 Stainless Steel vs. ISO-WD32350 Magnesium

EN 1.4527 stainless steel belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 1.4527 stainless steel and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 40
5.7 to 10
Fatigue Strength, MPa 170
120 to 130
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
18
Tensile Strength: Ultimate (UTS), MPa 480
250 to 290
Tensile Strength: Yield (Proof), MPa 190
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Mechanical, °C 1100
95
Melting Completion (Liquidus), °C 1410
600
Melting Onset (Solidus), °C 1360
560
Specific Heat Capacity, J/kg-K 470
990
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 15
25

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.1
1.7
Embodied Carbon, kg CO2/kg material 5.6
23
Embodied Energy, MJ/kg 78
160
Embodied Water, L/kg 210
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 95
210 to 380
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
68
Strength to Weight: Axial, points 17
39 to 46
Strength to Weight: Bending, points 17
50 to 55
Thermal Diffusivity, mm2/s 4.0
73
Thermal Shock Resistance, points 12
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 3.0 to 4.0
0 to 0.1
Iron (Fe), % 37.4 to 48.5
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0 to 1.5
0.6 to 1.3
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
0 to 0.0050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
1.8 to 2.3
Residuals, % 0
0 to 0.3