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AWS BNi-8 vs. AWS ERTi-2

AWS BNi-8 belongs to the nickel alloys classification, while AWS ERTi-2 belongs to the titanium alloys. 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 AWS BNi-8 and the bottom bar is AWS ERTi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 67
40
Tensile Strength: Ultimate (UTS), MPa 570
340

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Melting Completion (Liquidus), °C 1010
1670
Melting Onset (Solidus), °C 980
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 13
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 46
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 8.2
31
Embodied Energy, MJ/kg 120
510
Embodied Water, L/kg 220
110

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
24
Thermal Shock Resistance, points 17
27

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0 to 0.030
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0
0 to 0.12
Manganese (Mn), % 21.5 to 24.5
0
Nickel (Ni), % 61.6 to 68.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
99.667 to 99.92
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0