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AM60B Magnesium vs. EN 1.4305 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while EN 1.4305 stainless steel belongs to the iron 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 AM60B magnesium and the bottom bar is EN 1.4305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
14 to 40
Fatigue Strength, MPa 96
190 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 140
420 to 550
Tensile Strength: Ultimate (UTS), MPa 230
610 to 900
Tensile Strength: Yield (Proof), MPa 130
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
930
Melting Completion (Liquidus), °C 620
1420
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 61
15
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
3.0
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 990
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 190
120 to 830
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
22 to 32
Strength to Weight: Bending, points 50
20 to 27
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 14
14 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.010
0 to 1.0
Iron (Fe), % 0 to 0.0050
66.4 to 74.9
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0 to 2.0
Nickel (Ni), % 0 to 0.0020
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Zinc (Zn), % 0 to 0.22
0