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AWS BNi-2 vs. Type 3 Magnetic Alloy

Both AWS BNi-2 and Type 3 magnetic alloy are nickel alloys. They have 82% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
180
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 68
70
Tensile Strength: Ultimate (UTS), MPa 440
550

Thermal Properties

Latent Heat of Fusion, J/g 360
290
Melting Completion (Liquidus), °C 1000
1370
Melting Onset (Solidus), °C 970
1320
Specific Heat Capacity, J/kg-K 490
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
55
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 9.3
8.7
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 230
220

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 6.0 to 8.0
2.0 to 3.0
Cobalt (Co), % 0 to 0.1
0 to 0.5
Copper (Cu), % 0
4.0 to 6.0
Iron (Fe), % 2.5 to 3.5
9.9 to 19
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 79.1 to 84.8
75 to 78
Phosphorus (P), % 0 to 0.020
0 to 0.010
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0