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AWS BNi-4 vs. Type 3 Magnetic Alloy

Both AWS BNi-4 and Type 3 magnetic alloy are nickel alloys. They have 78% 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-4 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 0.31
0.31
Shear Modulus, GPa 67
70
Tensile Strength: Ultimate (UTS), MPa 430
550

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 1070
1370
Melting Onset (Solidus), °C 980
1320
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
55
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 10
8.7
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 220
220

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 14
18
Strength to Weight: Bending, points 15
17
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 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), % 0 to 1.5
9.9 to 19
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 91.4 to 95.5
75 to 78
Phosphorus (P), % 0 to 0.020
0 to 0.010
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
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