Why Choose GR1 Titanium Tubes?
Pure Titanium (99.5%) – Highest corrosion resistance among CP titanium grades.
Lightweight & Strong – 40% lighter than steel with excellent ductility for forming.
Biocompatible – Ideal for medical implants.
Weldability – Easy TIG/GTAW welding without cracking or contamination.
Cost-Effective – Lower price than alloyed grades (GR5, GR7) while maintaining performance.
Technical Specifications
Parameter | Specification |
Material Standard | ASTM B338, ASTM B863 |
Outer Diameter (OD) | 3–114 mm (custom up to 210 mm) |
Wall Thickness (WT) | 0.2–50 mm |
Length | Up to 15,000 mm (custom cuts available) |
Surface Finish | Polished, pickled, passivated |
Tensile Strength | 240–370 MPa |
Yield Strength | 170–300 MPa |
Elongation | ≥24% |
Certifications | ISO 9001 |
Applications
Chemical Processing – Heat exchangers, reactor coils, acid transport (resists HCl, H₂SO₄).
Marine & Offshore – Desalination pipes, seawater cooling systems (no pitting/crevice corrosion).
Medical & Dental – Surgical implants, dialysis machines (biocompatible, non-toxic).
Aerospace – Hydraulic lines, fuel systems (lightweight for fuel savings).
Architecture – Decorative façades, pool structures (rust-proof, aesthetic).
Manufacturing Process
1. Raw Material Preparation
Titanium Sponge Selection: We source 99.6% pure titanium sponge (Fe<0.15%, O<0.18%) from certified suppliers
Vacuum Arc Remelting (VAR):
Sponge is compressed into electrodes
Triple melting process ensures homogeneity
Final ingot composition verified via OES (Optical Emission Spectroscopy)
2. Tube Formation Process
Seamless Tube Production:
Hot Extrusion:
Billet heating to 850-950°C in argon atmosphere
Glass lubrication for smooth surface
Extrusion ratio 10:1 to 40:1
Cold Pilger Rolling:
20-30% reduction per pass
Intermediate annealing at 650-700°C
Final dimensions ±0.05mm tolerance
Welded Tube Alternative:
Plate Rolling:
0.5-5mm thick sheets cold rolled to tube shape
Orbital TIG Welding:
Automated process with argon backing
Weld seam X-ray inspected (100% coverage)
Internal weld bead removal (for smooth bore)
3. Precision Finishing
Solution Treatment: 700°C for 1 hour (stress relief)
Pickling Process:
HNO3/HF acid bath (20%/3% concentration)
Ultrasonic cleaning after pickling
Surface Polishing:
Mechanical polishing to Ra 0.8μm (standard)
Electropolishing to Ra 0.4μm (medical grade)
4. Quality Control
Dimensional Inspection:
Laser micrometers (±0.01mm accuracy)
Wall thickness measured every 500mm
Non-Destructive Testing:
Eddy current testing (0.1mm defect detection)
Ultrasonic testing (for wall thickness variation)
Mechanical Testing:
Tensile tests every 5th tube
Hardness testing (HV scale)
5. Special Processing Options
Internal Bore Finishing:
Honing for hydraulic applications
Electropolishing for ultra-clean surfaces
Custom End Treatments:
Beveling for welding prep
Threading (metric/imperial)
Flange welding (ASME B16.9 compliant)
Why Partner With Us?
Full Traceability – Mill test reports for every batch.
Custom Sizes & Shapes – Laser-cut, bent, or flanged ends.
Fast Lead Times – Standard sizes ship in 5–7 days.
Request a Quote Today! – Bulk discounts for OEMs & wholesalers.
