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AWS BNi-9 vs. Grade 9 Titanium

AWS BNi-9 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.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 580
700 to 960

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Melting Completion (Liquidus), °C 1060
1640
Melting Onset (Solidus), °C 1060
1590
Specific Heat Capacity, J/kg-K 480
550
Thermal Expansion, µm/m-K 12
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 60
37
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 9.3
36
Embodied Energy, MJ/kg 130
580
Embodied Water, L/kg 260
150

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 19
43 to 60
Strength to Weight: Bending, points 18
39 to 48
Thermal Shock Resistance, points 19
52 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.050
2.5 to 3.5
Boron (B), % 3.3 to 4.0
0
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 13.5 to 16.5
0
Cobalt (Co), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.5
0 to 0.25
Nickel (Ni), % 77.1 to 83.3
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
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.4