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EN 1.4310 Stainless Steel vs. EN-MC21210 Magnesium

EN 1.4310 stainless steel belongs to the iron alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4310 stainless steel and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
48
Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 14 to 45
14
Fatigue Strength, MPa 240 to 330
70
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
17
Shear Strength, MPa 510 to 550
110
Tensile Strength: Ultimate (UTS), MPa 730 to 900
190
Tensile Strength: Yield (Proof), MPa 260 to 570
90

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Mechanical, °C 910
100
Melting Completion (Liquidus), °C 1420
600
Melting Onset (Solidus), °C 1380
570
Specific Heat Capacity, J/kg-K 480
1000
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
130

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.8
1.6
Embodied Carbon, kg CO2/kg material 2.9
24
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 140
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
22
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
92
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
72
Strength to Weight: Axial, points 26 to 32
32
Strength to Weight: Bending, points 23 to 27
44
Thermal Diffusivity, mm2/s 4.0
76
Thermal Shock Resistance, points 15 to 18
11

Alloy Composition

Aluminum (Al), % 0
1.6 to 2.6
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 16 to 19
0
Copper (Cu), % 0
0 to 0.010
Iron (Fe), % 66.4 to 78
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0 to 2.0
0.1 to 0.7
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0 to 0.0020
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 2.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010