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AWS BMg-1 vs. C96900 Copper-nickel

AWS BMg-1 belongs to the magnesium alloys classification, while C96900 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
120
Elongation at Break, % 3.8
4.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
45
Tensile Strength: Ultimate (UTS), MPa 180
850
Tensile Strength: Yield (Proof), MPa 110
830

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 600
1060
Melting Onset (Solidus), °C 440
960
Specific Heat Capacity, J/kg-K 980
380
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 55
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
39
Density, g/cm3 1.8
8.8
Embodied Carbon, kg CO2/kg material 22
4.6
Embodied Energy, MJ/kg 160
72
Embodied Water, L/kg 980
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
38
Resilience: Unit (Modulus of Resilience), kJ/m3 120
2820
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 66
19
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 39
23
Thermal Shock Resistance, points 10
30

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
73.6 to 78
Iron (Fe), % 0 to 0.0050
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 86.1 to 89.8
0 to 0.15
Manganese (Mn), % 0.15 to 1.5
0.050 to 0.3
Nickel (Ni), % 0 to 0.0050
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.050
0 to 0.3
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 1.7 to 2.3
0 to 0.5
Residuals, % 0 to 0.3
0 to 0.5