Titanium bar is one of the most fundamental and widely used forms in the titanium industry. Understanding what it is, how it is classified, and how it is manufactured helps buyers make better sourcing decisions.
What Is a Titanium Bar?
A titanium bar is a solid, rod-shaped titanium product manufactured from sponge titanium or titanium alloy through melting, forging, rolling, and other pressure-processing methods.
Titanium bars serve a dual role in the supply chain:
- As finished products - directly machined into fasteners, structural components, valve parts, implant blanks, and precision fittings
- As starting stock - further processed into plate, tube, forgings, or wire through additional rolling, drawing, or extrusion
They are used across aerospace, medical devices, petrochemical processing, marine engineering, and industrial manufacturing.
Classification
Titanium bars are classified along three dimensions:
By material grade
| Category | International Grades | Characteristics |
|---|---|---|
| Commercially pure (CP) titanium | Grade 1, Grade 2, Grade 3, Grade 4 | Increasing strength with grade number; maximum corrosion resistance and biocompatibility |
| Titanium alloys | Grade 5 (Ti-6Al-4V), Grade 9 (Ti-3Al-2.5V), Grade 19 (Ti-3Al-8V-6Cr-4Mo-4Zr), and others | Higher strength, heat resistance, or specialized properties for demanding applications |
By processing condition
| Condition | Designation | Description |
|---|---|---|
| Hot-worked | R condition | As-forged or as-rolled - rough dimensions, mill surface |
| Annealed | M condition | Stress-relieved, improved ductility - the most common delivery state |
| Solution treated + aged | ST condition | Maximum strength - for high-performance structural applications |
By dimensional precision
| Type | Description |
|---|---|
| Standard mill bar | Normal tolerances, mill surface - suitable for general machining |
| Precision ground bar | Tight dimensional tolerances, polished surface - for high-accuracy applications |
Four Primary Manufacturing Methods
1. Rolling
Rolling passes titanium stock between counter-rotating rolls, reducing cross-section and increasing length. It is the most common and most efficient method for producing titanium bars and plates.
- Hot rolling - performed above the recrystallization temperature. Used for breakdown and intermediate processing. Refines grain structure and achieves large deformation.
- Cold rolling - performed below recrystallization. Used for final sizing where high dimensional accuracy and good surface quality are required.
2. Forging
Forging uses hammer impact or hydraulic press pressure to plastically deform titanium stock into the desired shape.
| Type | Application |
|---|---|
| Open-die forging | Flexible - suited for single pieces, small batches, and large bar breakdown |
| Closed-die forging | High-volume production of complex-shaped forgings |
Forging refines grain structure and improves microstructural uniformity - making it essential for large-diameter bars and aerospace-grade material.
3. Drawing
Drawing pulls titanium stock through a progressively smaller die, reducing cross-section and increasing length through cold working.
- Produces high-precision, smooth-surface small-diameter bars and wire
- Cold working increases strength but reduces ductility - intermediate annealing is required to restore formability between passes
4. Extrusion
Extrusion forces titanium stock through a shaped die opening under high pressure, producing bars with complex cross-sections that rolling cannot achieve.
- Operates under triaxial compressive stress - favorable for forming titanium alloys with limited ductility
- Ideal for complex profiles, shaped bars, and tubular products
- Also used for breakdown of alloys that are difficult to process by other methods
Which Method for Which Product?
| Product | Primary Method |
|---|---|
| Standard round bar (medium to large diameter) | Hot rolling or forging |
| Small-diameter bar and wire | Drawing (from rolled or extruded stock) |
| Complex cross-section profiles | Extrusion |
| Precision ground bar and tube | Cold drawing/rolling + bright annealing |
| Large aerospace forgings | Forging (open-die or closed-die) |
In practice, most titanium bars pass through multiple processes - for example, an ingot may be forged for breakdown, then rolled to intermediate size, then drawn to final diameter, with annealing steps between each stage.
We Produce and Supply Titanium Bars
Baoji Yibaite New Materials Technology Co., Ltd. is a high-tech titanium processing company in Baoji, Shaanxi Province - China's Titanium Valley. Titanium bar is one of our core products, manufactured through rolling, forging, and drawing to meet a wide range of customer specifications.
Grades available:
| Grade | International Designation | Typical Application |
|---|---|---|
| Grade 1 | UNS R50250 | Maximum formability - chemical, medical |
| Grade 2 | UNS R50400 | Industry standard - corrosion resistance, general purpose |
| Grade 5 | Ti-6Al-4V, UNS R56400 | Aerospace, medical implants, high-strength fasteners |
| Grade 9 | Ti-3Al-2.5V, UNS R56320 | Tubular products, aerospace lines, marine applications |
| Grade 19 | Ti-3Al-8V-6Cr-4Mo-4Zr | High-strength springs, fasteners |
| Grade 23 | Ti-6Al-4V ELI, UNS R56401 | Medical implants - extra-low interstitials |
| Other grades | Upon request | Custom compositions available |
