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AWS BMg-1 vs. AISI 310MoLN Stainless Steel

AWS BMg-1 belongs to the magnesium alloys classification, while AISI 310MoLN stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 AWS BMg-1 and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
200
Elongation at Break, % 3.8
28
Fatigue Strength, MPa 72
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
80
Shear Strength, MPa 100
400
Tensile Strength: Ultimate (UTS), MPa 180
610
Tensile Strength: Yield (Proof), MPa 110
290

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 440
1380
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 76
14
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 55
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 1.8
7.9
Embodied Carbon, kg CO2/kg material 22
5.0
Embodied Energy, MJ/kg 160
70
Embodied Water, L/kg 980
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
140
Resilience: Unit (Modulus of Resilience), kJ/m3 120
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 66
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 39
20
Thermal Diffusivity, mm2/s 43
3.7
Thermal Shock Resistance, points 10
14

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0
Beryllium (Be), % 0.00020 to 0.00080
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.0050
45.2 to 53.8
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
1.6 to 2.6
Nickel (Ni), % 0 to 0.0050
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 1.7 to 2.3
0
Residuals, % 0 to 0.3
0