
Gr7 (Ti-Pd)Titanium Alloy Wires
Grade: Grade7
Standard: ASTM B863
Condition: Annealed
Machining Technology: Hot Rolling or Cold Drawing
Surface Treatment: Pickled or Polished
Description
Technical Parameters
Introduction
Gr7 titanium alloy wires, also called Ti-Pd alloy, are a palladium-stabilized commercially pure titanium grade. It is based on titanium with a small addition of palladium. The corrosion resistance far exceeds regular pure titanium grades.
Chemical Composition
|
Element |
Content Range |
|
Titanium (Ti) |
Balance |
|
Palladium (Pd) |
0.12~0.25% |
|
Iron (Fe) |
≤0.20% |
|
Carbon (C) |
≤0.08% |
|
Nitrogen (N) |
≤0.03% |
|
Hydrogen (H) |
≤0.015% |
|
Oxygen (O) |
≤0.25% |
Mechanical Properties
|
Performance Index |
Value Range |
|
Tensile Strength |
≥415 MPa |
|
0.2% Offset Yield Strength |
≥275 MPa |
|
Elongation (in 50mm) |
≥20% |
|
Reduction of Area |
≥45% |
|
Hardness (HRB) |
≤90 |
|
Density |
4.51 g/cm³ |
|
Modulus of Elasticity |
110 GPa |
Main Application Field
Chemical & Petrochemical Industry
Precision components: Valve cores, nozzle wires, sensor probes, heat exchanger tube bundles
Corrosion-resistant wiring: Internal leads for chemical pumps, pipeline connecting wires, anti-corrosion grounding wires


Medical & Biomedical Industry
Implantable devices: Dental implant screws/wires, bone fixation wires, cardiovascular stent framework wires, surgical suture wires
Medical instruments: Guide wires for minimally invasive surgery, precision electrode wires, medical sensor probes
Marine & Water Treatment Industry
Seawater desalination systems: Precision filter wires, membrane module connecting wires, seawater cooling system leads
Offshore equipment: Offshore platform anti-corrosion wiring, marine sensor wires, underwater detector cables
Water treatment: Wastewater treatment electrode wires, hypochlorite disinfection equipment wires


Precision Instrument & Aerospace Industry
Precision instruments: Non-magnetic instrument leads, high-precision sensor wires, vacuum equipment internal wires
Aerospace: Auxiliary system hydraulic pipeline wires, fuel system precision wires, cryogenic equipment leads.
About Our Company

1.Certification: EN ISO 9001:2015 and EN 9100:2018 certifications.
2.Material certificates: (MTC) to verify composition, mechanical properties, and compliance with ASTM standards.
2.Customization: We are specialized in R&D, production and sales in domestic. Work with manufacturers to get the factory price and reduce production steps.
3.After-sales service: After-sales service is offered to our customers anytime.
Production Capacity for Titanium Wires
- Monthly Production Capacity: 50 metric tons
- Key Production Equipment 1 set of 250mt rolling mill
- 1 set of 40mt drawing machine
- 1 set of 20mt drawing machine
- 1 electric resistance furnace
- 1 annealing furnace
- 1 skew roll straightening machine

Everything You Need to Know
What makes Gr7 wire highly corrosion‑resistant?
The trace palladium acts as a catalyst to form a stable, dense protective oxide film on the surface.
What fabrication and welding considerations apply?
Formability,welding and machining.
How to store and handle Gr7 wire?
Store in dry, clean conditions to avoid surface contamination.
Avoid contact with heavy metals (e.g., steel, copper) to prevent galvanic corrosion.
Use clean tools for handling to maintain surface integrity.
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