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Grade M30H Nickel vs. AWS BNi-9

Both grade M30H nickel and AWS BNi-9 are nickel alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 (11, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 61
72
Tensile Strength: Ultimate (UTS), MPa 770
580

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1250
1060
Melting Onset (Solidus), °C 1200
1060
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
60
Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 7.7
9.3
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 250
260

Common Calculations

Stiffness to Weight: Axial, points 10
12
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 27
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
3.3 to 4.0
Carbon (C), % 0 to 0.3
0 to 0.060
Chromium (Cr), % 0
13.5 to 16.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 3.5
0 to 1.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 57.9 to 70.3
77.1 to 83.3
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 2.7 to 3.7
0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5