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AWS BNi-5a vs. AWS ERTi-7

AWS BNi-5a belongs to the nickel alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-5a and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 480
340

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Melting Completion (Liquidus), °C 1150
1670
Melting Onset (Solidus), °C 1070
1620
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 9.0
47
Embodied Energy, MJ/kg 130
800
Embodied Water, L/kg 260
470

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 15
26

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.0 to 1.5
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 18.5 to 19.5
0
Cobalt (Co), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.5
0 to 0.12
Nickel (Ni), % 70.1 to 73.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.0 to 7.5
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
99.417 to 99.8
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0