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AISI 310H Stainless Steel vs. ZE63A Magnesium

AISI 310H stainless steel belongs to the iron alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 31 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 AISI 310H stainless steel and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
73
Elastic (Young's, Tensile) Modulus, GPa 200
46
Elongation at Break, % 40
7.7
Fatigue Strength, MPa 200
120
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
17
Shear Strength, MPa 400
170
Tensile Strength: Ultimate (UTS), MPa 580
300
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1410
510
Melting Onset (Solidus), °C 1360
390
Specific Heat Capacity, J/kg-K 480
950
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
31
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
22
Density, g/cm3 7.9
2.0
Embodied Carbon, kg CO2/kg material 4.3
24
Embodied Energy, MJ/kg 61
180
Embodied Water, L/kg 190
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
20
Resilience: Unit (Modulus of Resilience), kJ/m3 130
400
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
58
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
48
Thermal Diffusivity, mm2/s 3.9
57
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 49.1 to 57
0
Magnesium (Mg), % 0
89.6 to 92
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0 to 0.010
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 0
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3