Grade 7 Titanium Rod – Ti‑0.2Pd Alloy, Superior Corrosion Resistance

🛡️ Grade 7 Titanium Rod – Ti‑0.2Pd Alloy, Superior Corrosion Resistance

📦 Product Overview

The Grade 7 Titanium Rod, a high-performance alloy of titanium stabilized with 0.2% palladium (Ti-0.2Pd), offers exceptional resistance to corrosion in highly aggressive environments such as strong acids, seawater, and chlorine-rich media. Manufactured according to ASTM B348 standards, this alloy combines the mechanical strength and light weight of commercially pure titanium with the superior corrosion resistance granted by palladium addition. Its performance remains unmatched in industries such as chemical processing, desalination, and marine engineering.

Whether you’re fabricating heat exchangers, reactor vessels, or marine shafts, the Grade 7 Titanium Rod is engineered to provide long-term durability and resistance under corrosive and high-temperature conditions. It is widely regarded as one of the most corrosion-resistant titanium alloys commercially available.

⚙️ Technical Specifications

Property	Specification
Product Name	Grade 7 Titanium Rod
Alloy Composition	Ti-0.2Pd (Titanium with 0.2% Palladium)
Standard	ASTM B348
Diameter Range	4 mm – 200 mm
Length Range	Up to 6 meters
Purity	≥ 99.7% Ti
Density	4.51 g/cm³
Melting Point	1660°C
Tensile Strength	≥ 485 MPa
Yield Strength	≥ 345 MPa
Elongation	≥ 20%
Surface Finish	Polished / Peeled / Turned / Ground
Processing	Hot Rolled / Annealed / Machined

This titanium rod is available in both standard and customized specifications. Each batch undergoes ultrasonic testing, dimensional inspection, and mechanical property verification to ensure compliance.

🧪 Chemical Composition (Typical)

Element	Content (wt%)
Ti	Balance
Pd	0.12 – 0.25
Fe	≤ 0.30
O	≤ 0.25
C	≤ 0.08
N	≤ 0.03
H	≤ 0.015

This Ti-0.2Pd alloy is formulated to deliver enhanced passivation and repassivation capabilities, even in reducing or oxidizing media.

🌊 Key Features & Benefits

✅ Exceptional Corrosion Resistance – Resistant to wet chlorine gas, hydrochloric acid, and saltwater environments.
✅ Ti-0.2Pd Stabilization – Palladium enhances resistance to crevice corrosion and pitting.
✅ ASTM B348 Compliance – Guaranteed mechanical and dimensional consistency.
✅ Excellent Weldability – Suitable for complex assemblies and pressure vessels.
✅ Lightweight with High Strength – High strength-to-weight ratio ideal for aerospace and marine sectors.
✅ Excellent Ductility & Fabricability – Easy to cut, form, and machine.
✅ Long-Term Reliability – Ideal for high-risk, long-lifecycle installations.

🧰 Applications

The Grade 7 Titanium Rod is particularly suited for use in:

• 🧪 Chemical Processing Plants – Piping systems, storage tanks, and reaction vessels.
• 🌊 Marine & Offshore Engineering – Pump shafts, heat exchanger tubing, desalination equipment.
• ⚗️ Chlor-Alkali Production – Resists chlorine-rich electrochemical environments.
• 🏭 Desalination Systems – Reliable in brine-rich environments under pressure.
• 🔬 Pharmaceutical & Food Equipment – Non-toxic and corrosion-resistant for sanitary applications.
• 🔧 Heat Exchangers & Condensers – Sustains mechanical integrity under thermal cycling.

Grade 7 exhibits better corrosion performance than pure titanium under simulated inflamed body fluid conditions due to Pd-facilitated repassivation mechanisms. See study details

🏗️ Processing & Machining

Grade 7 Titanium is generally annealed for best performance. It can be:

• Machined using carbide or PVD-coated tools under flood cooling
• Welded using GTAW (TIG) with inert gas shielding
• Cold or hot worked depending on application
• Stress-relieved post-fabrication to maintain dimensional stability

Its machinability is slightly lower than that of Grade 2 titanium due to the presence of palladium, but it remains very workable in industrial settings.

📦 Packaging & Delivery

Each Grade 7 Titanium Rod is packaged securely for global transport:

• Plastic caps on both ends
• Anti-rust oil coating (if requested)
• Vacuum-sealed PE wrap for corrosion protection
• Packed in wooden crates with foam lining

Lead Time: 5–10 working days for stock items; 10–25 days for custom orders.
MOQ: 1 pc for standard sizes, 5 pcs for custom diameters.

📄 Documentation Provided

We supply the following with every order:

• 📜 EN 10204 3.1 Mill Test Certificate
• 🔍 Inspection Report (Ultrasonic, Dimensional, Mechanical)
• 📦 Packing List + Commercial Invoice
• 🌍 Certificate of Origin (CO)
• 🧪 Optional Third-Party Inspection (SGS/BV)

❓ FAQ – Grade 7 Titanium Rod

Q1: How does Grade 7 differ from Grade 2 or Grade 5 titanium?
A1: Grade 7 includes 0.2% palladium, which significantly improves corrosion resistance compared to Grade 2. Grade 5 (Ti-6Al-4V) offers higher strength but lower corrosion resistance.

Q2: Can I use Grade 7 titanium rods for seawater environments?
A2: Absolutely. Grade 7 is among the best materials for marine use due to its superior resistance to crevice and pitting corrosion.

Q3: Do you support small batch custom diameters?
A3: Yes. We support diameters from 4mm to 200mm with machining and tolerance control as per your drawings.

Q4: Are there surface finish options?
A4: Polished, peeled, turned, or ground surfaces are all available depending on your application requirements.

📞 Contact Us

📧 Email: sales@niticu.com
📞 Phone / WhatsApp / WeChat: +86 13335373172
🏭 Factory: Baotai Road Industrial Park, High-tech Zone, Baoji City, Shaanxi, China
🌐 Website: https://niticu.com

📩 Get in touch for pricing, stock availability, and expert material consultation – responses within 24 hours!