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AWS BNi-4 vs. Type 1 Magnetic Alloy

AWS BNi-4 belongs to the nickel alloys classification, while Type 1 magnetic alloy belongs to the iron alloys. They have 46% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 67
72
Tensile Strength: Ultimate (UTS), MPa 430
500 to 830

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Melting Completion (Liquidus), °C 1070
1420
Melting Onset (Solidus), °C 980
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
31
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 10
5.6
Embodied Energy, MJ/kg 140
77
Embodied Water, L/kg 220
130

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 14
17 to 28
Strength to Weight: Bending, points 15
17 to 24
Thermal Shock Resistance, points 16
16 to 26

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
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 1.5
50.7 to 56.5
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 91.4 to 95.5
43.5 to 46.5
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 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0