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AM60A Magnesium vs. S46910 Stainless Steel

AM60A magnesium belongs to the magnesium alloys classification, while S46910 stainless steel belongs to the iron alloys. There are 27 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 AM60A magnesium and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 8.8
2.2 to 11
Fatigue Strength, MPa 70
250 to 1020
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 130
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 230
680 to 2470
Tensile Strength: Yield (Proof), MPa 130
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 120
810
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Expansion, µm/m-K 26
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
4.1
Embodied Energy, MJ/kg 160
55
Embodied Water, L/kg 990
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
510 to 4780
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 37
24 to 86
Strength to Weight: Bending, points 49
22 to 51
Thermal Shock Resistance, points 14
23 to 84

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0.15 to 0.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0 to 0.35
1.5 to 3.5
Iron (Fe), % 0
65 to 76
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.030
8.0 to 10
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Zinc (Zn), % 0 to 0.22
0