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AWS BNi-8 vs. Type 3 Magnetic Alloy

Both AWS BNi-8 and Type 3 magnetic alloy are nickel alloys. They have 71% 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-8 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 0.32
0.31
Shear Modulus, GPa 67
70
Tensile Strength: Ultimate (UTS), MPa 570
550

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Melting Completion (Liquidus), °C 1010
1370
Melting Onset (Solidus), °C 980
1320
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 46
55
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 8.2
8.7
Embodied Energy, MJ/kg 120
120
Embodied Water, L/kg 220
220

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
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), % 4.0 to 5.0
4.0 to 6.0
Iron (Fe), % 0
9.9 to 19
Manganese (Mn), % 21.5 to 24.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 61.6 to 68.5
75 to 78
Phosphorus (P), % 0 to 0.020
0 to 0.010
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
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