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AWS BNi-7 vs. Nickel 825

Both AWS BNi-7 and nickel 825 are nickel alloys. They have 56% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
78
Tensile Strength: Ultimate (UTS), MPa 550
650

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 890
1400
Melting Onset (Solidus), °C 890
1370
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 55
41
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 8.8
7.2
Embodied Energy, MJ/kg 120
100
Embodied Water, L/kg 240
230

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.2
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 13 to 15
19.5 to 23.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 0 to 0.2
22 to 37.9
Manganese (Mn), % 0 to 0.040
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 73.3 to 77.3
38 to 46
Phosphorus (P), % 9.7 to 10.5
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.050
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0.6 to 1.2
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0