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AWS BMg-1 vs. Grade M30H Nickel

AWS BMg-1 belongs to the magnesium alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 29 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 AWS BMg-1 and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
160
Elongation at Break, % 3.8
11
Fatigue Strength, MPa 72
230
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
61
Tensile Strength: Ultimate (UTS), MPa 180
770
Tensile Strength: Yield (Proof), MPa 110
470

Thermal Properties

Latent Heat of Fusion, J/g 350
320
Maximum Temperature: Mechanical, °C 130
900
Melting Completion (Liquidus), °C 600
1250
Melting Onset (Solidus), °C 440
1200
Specific Heat Capacity, J/kg-K 980
440
Thermal Conductivity, W/m-K 76
22
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 55
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
50
Density, g/cm3 1.8
8.6
Embodied Carbon, kg CO2/kg material 22
7.7
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 980
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
75
Resilience: Unit (Modulus of Resilience), kJ/m3 120
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 66
21
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 39
22
Thermal Diffusivity, mm2/s 43
5.7
Thermal Shock Resistance, points 10
27

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 0.3
Copper (Cu), % 0 to 0.050
27 to 33
Iron (Fe), % 0 to 0.0050
0 to 3.5
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0 to 1.5
Nickel (Ni), % 0 to 0.0050
57.9 to 70.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
2.7 to 3.7
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 1.7 to 2.3
0
Residuals, % 0 to 0.3
0