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EN 1.4477 Stainless Steel vs. EN-MC95310 Magnesium

EN 1.4477 stainless steel belongs to the iron alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys. There are 31 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 1.4477 stainless steel and the bottom bar is EN-MC95310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
85
Elastic (Young's, Tensile) Modulus, GPa 210
45
Elongation at Break, % 22 to 23
2.2
Fatigue Strength, MPa 420 to 490
110
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
17
Shear Strength, MPa 550 to 580
160
Tensile Strength: Ultimate (UTS), MPa 880 to 930
280
Tensile Strength: Yield (Proof), MPa 620 to 730
190

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
540
Specific Heat Capacity, J/kg-K 480
960
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
50

Otherwise Unclassified Properties

Base Metal Price, % relative 20
34
Density, g/cm3 7.7
1.9
Embodied Carbon, kg CO2/kg material 3.7
29
Embodied Energy, MJ/kg 52
260
Embodied Water, L/kg 190
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
420
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
61
Strength to Weight: Axial, points 31 to 33
40
Strength to Weight: Bending, points 26 to 27
49
Thermal Diffusivity, mm2/s 3.5
28
Thermal Shock Resistance, points 23 to 25
18

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0 to 0.030
Iron (Fe), % 56.6 to 63.6
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.9 to 93.4
Manganese (Mn), % 0.8 to 1.5
0 to 0.15
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0 to 0.0050
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.010
Sulfur (S), % 0 to 0.015
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010