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AWS ERNi-1 vs. Grade 2 Titanium

AWS ERNi-1 belongs to the nickel alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERNi-1 and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 22
23
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 69
38
Tensile Strength: Ultimate (UTS), MPa 470
420

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Melting Completion (Liquidus), °C 1360
1660
Melting Onset (Solidus), °C 1310
1610
Specific Heat Capacity, J/kg-K 450
540
Thermal Conductivity, W/m-K 73
22
Thermal Expansion, µm/m-K 11
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 19
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 60
37
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 11
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 230
110

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 15
26
Strength to Weight: Bending, points 15
28
Thermal Diffusivity, mm2/s 19
8.9
Thermal Shock Resistance, points 17
32

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.080
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 93 to 98
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
98.9 to 100
Residuals, % 0
0 to 0.4