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Nickel 908 vs. AWS BNi-1a

Both nickel 908 and AWS BNi-1a are nickel alloys. They have 58% 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 nickel 908 and the bottom bar is AWS BNi-1a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
180
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 70
70
Tensile Strength: Ultimate (UTS), MPa 1340
450

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1380
980
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
55
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 9.3
8.8
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 170
240

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 45
16
Strength to Weight: Bending, points 33
16
Thermal Shock Resistance, points 61
15

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0 to 0.050
Boron (B), % 0 to 0.012
2.8 to 3.5
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 3.8 to 4.5
13 to 15
Cobalt (Co), % 0 to 0.5
0 to 0.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 35.6 to 44.6
4.0 to 5.0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 47 to 51
70.6 to 76.3
Niobium (Nb), % 2.7 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
4.0 to 5.0
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 1.2 to 1.8
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5