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AWS BNi-10 vs. Grade 9 Titanium

AWS BNi-10 belongs to the nickel alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BNi-10 and the bottom bar is grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 600
700 to 960

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Melting Completion (Liquidus), °C 1110
1640
Melting Onset (Solidus), °C 970
1590
Specific Heat Capacity, J/kg-K 440
550
Thermal Expansion, µm/m-K 11
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
37
Density, g/cm3 9.4
4.5
Embodied Carbon, kg CO2/kg material 11
36
Embodied Energy, MJ/kg 160
580
Embodied Water, L/kg 230
150

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
35
Strength to Weight: Axial, points 18
43 to 60
Strength to Weight: Bending, points 17
39 to 48
Thermal Shock Resistance, points 19
52 to 71

Alloy Composition


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Aluminum (Al), % 0 to 0.050
2.5 to 3.5
Boron (B), % 2.0 to 3.0
0
Carbon (C), % 0.4 to 0.55
0 to 0.080
Chromium (Cr), % 10 to 13
0
Cobalt (Co), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 2.5 to 4.5
0 to 0.25
Nickel (Ni), % 57.2 to 67.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
92.6 to 95.5
Tungsten (W), % 15 to 17
0
Vanadium (V), % 0
2.0 to 3.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0 to 0.4