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Annealed AISI 316L vs. ISO-WD21150-O

Annealed AISI 316L belongs to the iron alloys classification, while ISO-WD21150-O belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 annealed AISI 316L and the bottom bar is ISO-WD21150-O.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 42
11
Fatigue Strength, MPa 170
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
17
Shear Strength, MPa 370
150
Tensile Strength: Ultimate (UTS), MPa 530
240
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Mechanical, °C 870
110
Melting Completion (Liquidus), °C 1400
600
Melting Onset (Solidus), °C 1380
550
Specific Heat Capacity, J/kg-K 470
990
Thermal Conductivity, W/m-K 15
100
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
100

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.9
1.7
Embodied Carbon, kg CO2/kg material 3.9
23
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 150
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
23
Resilience: Unit (Modulus of Resilience), kJ/m3 93
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
70
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 18
52
Thermal Diffusivity, mm2/s 4.1
60
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
2.4 to 3.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 62 to 72
0 to 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0 to 0.0050
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3