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AWS BNi-7 vs. Grade N12MV Nickel

Both AWS BNi-7 and grade N12MV nickel are nickel alloys. They have 66% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
220
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 67
84
Tensile Strength: Ultimate (UTS), MPa 550
600

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 890
1620
Melting Onset (Solidus), °C 890
1570
Specific Heat Capacity, J/kg-K 490
390
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 55
75
Density, g/cm3 8.0
9.2
Embodied Carbon, kg CO2/kg material 8.8
16
Embodied Energy, MJ/kg 120
200
Embodied Water, L/kg 240
260

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.12
Chromium (Cr), % 13 to 15
0 to 1.0
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
4.0 to 6.0
Manganese (Mn), % 0 to 0.040
0 to 1.0
Molybdenum (Mo), % 0
26 to 30
Nickel (Ni), % 73.3 to 77.3
60.2 to 69.8
Phosphorus (P), % 9.7 to 10.5
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0
0.2 to 0.6
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0