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Grade N7M Nickel vs. AWS BNi-10

Both grade N7M nickel and AWS BNi-10 are nickel alloys. They have 65% 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 grade N7M nickel and the bottom bar is AWS BNi-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
76
Tensile Strength: Ultimate (UTS), MPa 590
600

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1650
1110
Melting Onset (Solidus), °C 1590
970
Specific Heat Capacity, J/kg-K 390
440
Thermal Expansion, µm/m-K 9.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
80
Density, g/cm3 9.3
9.4
Embodied Carbon, kg CO2/kg material 16
11
Embodied Energy, MJ/kg 200
160
Embodied Water, L/kg 270
230

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.0 to 3.0
Carbon (C), % 0 to 0.070
0.4 to 0.55
Chromium (Cr), % 0 to 1.0
10 to 13
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
2.5 to 4.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
57.2 to 67.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
15 to 17
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5