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AWS BNi-1a vs. Grade M30H Nickel

Both AWS BNi-1a and grade M30H nickel are nickel alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% 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-1a and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
160
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 70
61
Tensile Strength: Ultimate (UTS), MPa 450
770

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Melting Completion (Liquidus), °C 1080
1250
Melting Onset (Solidus), °C 980
1200
Specific Heat Capacity, J/kg-K 500
440
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
50
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 8.8
7.7
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 240
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 15
27

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0 to 0.3
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 4.0 to 5.0
0 to 3.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 70.6 to 76.3
57.9 to 70.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
2.7 to 3.7
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