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AWS BNi-7 vs. Nickel 625

Both AWS BNi-7 and nickel 625 are nickel alloys. They have 78% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 67
79
Tensile Strength: Ultimate (UTS), MPa 550
790 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 890
1350
Melting Onset (Solidus), °C 890
1290
Specific Heat Capacity, J/kg-K 490
440
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
80
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 8.8
14
Embodied Energy, MJ/kg 120
190
Embodied Water, L/kg 240
290

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 19
26 to 29
Strength to Weight: Bending, points 19
22 to 24
Thermal Shock Resistance, points 21
22 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.4
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 13 to 15
20 to 23
Cobalt (Co), % 0 to 0.1
0 to 1.0
Iron (Fe), % 0 to 0.2
0 to 5.0
Manganese (Mn), % 0 to 0.040
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 73.3 to 77.3
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 9.7 to 10.5
0 to 0.015
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0 to 0.4
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0