AWS ERTi-5 Weld Metal
AWS ERTi-5 is a titanium-based filler metal for welding. Cited properties are appropriate for the as-welded condition. It has a fairly low density among titanium alloys. In addition, it has a moderately high heat capacity and a moderately low ductility.
The graph bars on the material properties cards below compare AWS ERTi-5 to: titanium welding fillers (top), all titanium alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Elastic (Young's, Tensile) Modulus
110 GPa 15 x 106 psi
Elongation at Break
10 %
Fatigue Strength
470 MPa 69 x 103 psi
Poisson's Ratio
0.32
Shear Modulus
40 GPa 5.8 x 106 psi
Tensile Strength: Ultimate (UTS)
900 MPa 130 x 103 psi
Tensile Strength: Yield (Proof)
830 MPa 120 x 103 psi
Thermal Properties
Latent Heat of Fusion
410 J/g
Maximum Temperature: Mechanical
340 °C 640 °F
Melting Completion (Liquidus)
1610 °C 2930 °F
Melting Onset (Solidus)
1560 °C 2840 °F
Specific Heat Capacity
560 J/kg-K 0.13 BTU/lb-°F
Thermal Conductivity
7.1 W/m-K 4.1 BTU/h-ft-°F
Thermal Expansion
9.6 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
1.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.0 % IACS
Otherwise Unclassified Properties
Base Metal Price
36 % relative
Density
4.4 g/cm3 280 lb/ft3
Embodied Carbon
38 kg CO2/kg material
Embodied Energy
610 MJ/kg 260 x 103 BTU/lb
Embodied Water
200 L/kg 24 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
87 MJ/m3
Resilience: Unit (Modulus of Resilience)
3250 kJ/m3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
35 points
Strength to Weight: Axial
56 points
Strength to Weight: Bending
46 points
Thermal Diffusivity
2.9 mm2/s
Thermal Shock Resistance
63 points
Alloy Composition
| Ti | 88.2 to 90.9 | |
| Al | 5.5 to 6.8 | |
| V | 3.5 to 4.5 | |
| O | 0.12 to 0.2 | |
| Fe | 0 to 0.22 | |
| C | 0 to 0.050 | |
| N | 0 to 0.030 | |
| H | 0 to 0.015 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
AWS A5.16: Specification for Titanium and Titanium-Alloy Welding Electrodes and Rods