AWS ERTi-7 Weld Metal
Titanium Alloys
Property Overview
Density4.5g/cm³
Elastic Modulus110GPa
Tensile Strength340MPa
Yield Strength280MPa
Brinell HardnessUnknown
Maximum Service Temperature320°C
Chemical Composition
C
0 to 0.030%
N
0 to 0.015%
TI
99.417 to 99.8%
H
0 to 0.0080%
O
0.080 to 0.16%
PD
0.12 to 0.25%
FE
0 to 0.12%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
20 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.32
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
340 MPa
Tensile Strength: Yield (Proof)
280 MPa
Physical
Density
4.5 g/cm 3
Thermal
Latent Heat of Fusion
420 J/g
Maximum Temperature: Mechanical
320 °C
Melting Completion (Liquidus)
1670 °C
Melting Onset (Solidus)
1620 °C
Specific Heat Capacity
540 J/kg-K
Thermal Conductivity
21 W/m-K
Thermal Diffusivity
8.8 mm 2 /s
Thermal Expansion
8.7 µm/m-K
Thermal Shock Resistance
26 points
Electrical
Electrical Conductivity: Equal Volume
3.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
7.3 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
64 MJ/m 3
Resilience: Unit (Modulus of Resilience)
360 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
35 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
24 points
Environmental
Embodied Carbon
47 kg CO 2 /kg material
Embodied Energy
800 MJ/kg
Embodied Energy
800 MJ/kg 340 x 10 3 BTU/lb
Embodied Water
470 L/kg
Embodied Water
470 L/kg 56 gal/lb
Registered Designations & Aliases
AWS ERTi-7 Weld Metal