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AWS BNi-3 vs. Type 4 Magnetic Alloy

Both AWS BNi-3 and Type 4 magnetic alloy are nickel alloys. They have 81% 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-3 and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
190
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 66
73
Tensile Strength: Ultimate (UTS), MPa 430
620 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Melting Completion (Liquidus), °C 1040
1420
Melting Onset (Solidus), °C 980
1370
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
60
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 9.9
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 220
210

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 14
19 to 35
Strength to Weight: Bending, points 15
18 to 27
Thermal Shock Resistance, points 17
21 to 37

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), % 0
0 to 0.3
Cobalt (Co), % 0 to 0.1
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 0.5
9.5 to 17.5
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
3.5 to 6.0
Nickel (Ni), % 90.1 to 93.3
79 to 82
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