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AWS BNi-4 vs. Grade 2 Titanium

AWS BNi-4 belongs to the nickel alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 67
38
Tensile Strength: Ultimate (UTS), MPa 430
420

Thermal Properties

Latent Heat of Fusion, J/g 340
420
Melting Completion (Liquidus), °C 1070
1660
Melting Onset (Solidus), °C 980
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Expansion, µm/m-K 11
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 60
37
Density, g/cm3 8.5
4.5
Embodied Carbon, kg CO2/kg material 10
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 220
110

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 14
26
Strength to Weight: Bending, points 15
28
Thermal Shock Resistance, points 16
32

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.080
Cobalt (Co), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.5
0 to 0.3
Nickel (Ni), % 91.4 to 95.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
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
98.9 to 100
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.4