Products
Titanium Bars for Spinal Implant
Grade: GR23/GR5 ELI/Ti6Al4V ELI; Ti6Al7Nb;
Standard: ASTM F136; ASTM F1295; ISO5832-3; ISO5832-11;
Size: Ø40, Ø65, Ø70, Ø100 or Customized
MOQ: 50KG;
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Product Introduction
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Type |
Titanium bars for spinal implant |
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Standard |
ASTM F136; ASTM F1295; ISO5832-3; ISO5832-11; |
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Grade |
GR23/GR5 ELI/Ti6Al4V ELI; Ti6Al7Nb; |
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Size |
Ø40, Ø65, Ø70, Ø100 or Customized |
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Raw material |
0 or 0A grade undersized grain titanium sponge |
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Melting |
3 times vacuum melting plasma welding |
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Flaw detection |
100% ultrasonic/turbine flaw detection to eliminate metallurgical defects and non-ferrous impurities |
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Tolerance |
h6, h7, h8, h9; |
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Condition |
hot-worked (M), annealed (R), cold-worked (Y) |
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MOQ |
50kg |
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Shipment |
By sea, By railway or by air |
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Payment Terms |
Usually T/T |
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Package |
Standard export packing |
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Test Report |
Our medical titanium bars for joint stemss will be certified by the authoritative third-party and the material certificate can be provided. |
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Advantage |
Our medical titanium and titanium alloys bars and rods can reach h6 tolerance, micro structure can reach A3 and quick delivery within 7 days if have stock and 15~30 days if producing. |
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NOTE: the special specification can be produced according to customers' requirements. |
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Titanium bars and rods are a fundamental component in spinal fusion surgery and other spinal corrective procedures. They are part of a larger construct that includes screws, plates, and connectors. These implants are designed to stabilize the spine, correct deformities (like scoliosis), and facilitate bone fusion after the removal of damaged discs or vertebrae.
These titanium bars for spinal implant are machined from the highest grades of titanium alloy to meet the extreme demands of the spinal column.
Grades & Standards
Not all titanium is equal. For spinal applications, two alloys dominate, both offering the required strength and biocompatibility.
Both Ti-6Al-4V ELI (ASTM F136 / ISO 5832-3) and Ti-6Al-7Nb (ASTM F1295 / ISO 5832-11) are commercially supplied as bar/rod feed-stock for spinal screws, rods and plates.
Ti-6Al-7Nb is explicitly promoted as a vanadium-free, higher-biocompatibility alternative for long-term spinal fixation.
Note: Commercially Pure (CP) Titanium Grades 1-4 are generally not used for major load-bearing spinal rods due to their lower strength, but they may be used in cervical plates or non-load-bearing applications.
Typical Bar Sizes
- Hot-rolled/forged round bar: Φ 5.5 – 94 mm (0.218 – 3.70 in.) in straight lengths or cut billets; cold-finished or centreless-ground to h6-h9 tolerance on request .
- Common spinal-rod diameter ordered: Φ 5.5 mm and 6.0 mm, supplied in annealed or STA condition, Ra ≤ 0.4 µm, straightness ≤ 1 mm m⁻¹
Applications
Spinal fusion rods, pedicle screws, occipital plates, transverse connectors; all benefit from the alloy's high fatigue strength and low magnetic susceptibility for post-op MRI
Summary
Titanium bars for spinal implants represent the pinnacle of biomaterials engineering. Machined from Ti6Al4V ELI or Ti6Al7Nb alloy, they provide an unparalleled combination of high strength, fatigue resistance, biocompatibility, and favorable biomechanics. Their success lies in their ability to provide rigid stability for the spine to heal while minimizing long-term complications like stress shielding, making them the undisputed material of choice for this life-changing application.
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