Titanium Wire Filler Rod GR7 for Welding
GR7 titanium welding wire is a high-quality filler material used for TIG and MIG welding of titanium and titanium alloys. It offers excellent corrosion resistance, especially in chloride-containing or marine environments. It is widely used in chemical processing, marine engineering, and pressure vessel repair.
Physical and mechanical properties
| Property | Value |
|---|---|
| Density | 4.51 g/cm³ |
| Melting Point | ~1660°C |
| Tensile Strength | ≥ 450 MPa |
| Yield Strength | ≥ 345 MPa |
| Elongation | ≥ 20% |
Chemical composition (ASTM B863 / AWS A5.16)
| Element | Content (%) |
|---|---|
| Titanium (Ti) | Balance |
| Palladium (Pd) | 0.12 – 0.25 |
| Iron (Fe) | ≤ 0.30 |
| Oxygen (O) | ≤ 0.25 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.03 |
| Hydrogen (H) | ≤ 0.015 |
Typical applications of titanium filler rod
Chemical equipment
Marine structures
Heat exchangers
Titanium pressure vessels and pipelines
How to use titanium welding wire
Suitable welding methods: TIG and MIG
Recommended shielding gas: High-purity argon
Clean the surface before welding. Remove oxide and oil.
Keep the weld zone protected from air. Avoid contamination during welding.
Available specifications of titanium filler wire
Diameter: 0.1 mm -- 10 mm (0.004 in -- 0.394 in)
Length: Straight rods or wire coils
Packaging: Vacuum-sealed with anti-moisture protection
