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AZ63A Magnesium vs. S46910 Stainless Steel

AZ63A magnesium belongs to the magnesium alloys classification, while S46910 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 AZ63A magnesium and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
200
Elongation at Break, % 2.2 to 8.0
2.2 to 11
Fatigue Strength, MPa 76 to 83
250 to 1020
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 110 to 160
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 190 to 270
680 to 2470
Tensile Strength: Yield (Proof), MPa 81 to 120
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 120
810
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 450
1420
Specific Heat Capacity, J/kg-K 980
470
Thermal Expansion, µm/m-K 26
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 1.8
7.9
Embodied Carbon, kg CO2/kg material 22
4.1
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 970
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.7 to 16
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 71 to 160
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
24
Strength to Weight: Axial, points 29 to 41
24 to 86
Strength to Weight: Bending, points 40 to 51
22 to 51
Thermal Shock Resistance, points 11 to 16
23 to 84

Alloy Composition

Aluminum (Al), % 5.3 to 6.7
0.15 to 0.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0 to 0.25
1.5 to 3.5
Iron (Fe), % 0
65 to 76
Magnesium (Mg), % 88.6 to 92.1
0
Manganese (Mn), % 0.15 to 0.35
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.010
8.0 to 10
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Zinc (Zn), % 2.5 to 3.5
0
Residuals, % 0 to 0.3
0

Comparable Variants