Titanium Alloy Bar

Titanium Grade 5 (Ti-6Al-4V) and Grade 23 (Ti-6Al-4V ELI) titanium alloy bars are the closest thing to metallic wonder bars you will find – they are naturally corrosion resistant in addition to being incredibly strong and light due to the unique properties of titanium alloying elements as compared to pure titanium alone. In contrast with pure titanium bars, these alloys have 6% aluminum and 4% vanadium, or other elements (in Grade 5), which makes up a dual-phase α+β structure which is heat treatable for property enhancement. This leads to tensile strengths above 1000 MPa – approximately three times that of commercial pure titanium – at a density of 4.51 g/cm3.

Titanium sponge

Titanium sponge electrode

Titanium forging

Titanium bar blank grinding

Titanium rod blank machine processing

Titanium alloy rods

The engineering excellence of the titanium alloy bars Technical data for the premium titanium alloy bar product include diameter range from 6mm to 300 mm with high precision dimensional tolerances of ±0.02mm for comercial grade, up to 8 meters customizable length and surface finishing such as turned, ground, or polished to Ra ≤1.6 μm. Grade 5 titanium is a strong, dense material with high resistance to corrosion. The control on the chemical composition is tighter: Al 5.5–6.75%, V 3.5–4.5%, O ≤0.20%, with ELI grades (Grade 23) having a maximum oxygen content of ≤0.13% for superior biocompatibility. Heat treatment procedures (e.g., 700-800°C for annealing or 480°C for age hardening) can be devised to obtain desired balance of hardness (maximum 32 HRC) and ductility.

In aerospace, titanium alloy bar is the preferred material for such things as aircraft engine compressor blades, landing gear forgings, and fuselage frame members, because its high strength can reduce part weight by 30–40 percent over stainless steel, thereby directly boosting fuel efficiency. Their ballistic resistance is used in defense for missile casings and armored vehicle under bodies, and their pressure tolerance in submersible hulls for deep-sea exploration (they go to 6000m depths without fail!).

Grade 23 bars for medical orthopedics are applicable to ASTM F136 and may be used for hip and knee implants offering 50% greater fatigue strength over pure titanium and still possess osseointegration. The heat resistance of Grade 5 (it maintains 80% of its strength at 350°C) is also utilized in automotive turbocharger shafts and racing suspension parts to endure the harsh environmental conditions in engine bays.

Titanium alloy bar is produced using vacuum arc remelting (VAR) to start with a sound and isolated ingot to achieve a homogeneous microstructure with desired microstructural scale state, and then through hot forging to refine the structure of the ingot and enhance the mechanical isotropy. Grain flow is controlled by precision rolling or drawing for superior fatigue life and non-destructive testing (UT/RT) is required for all aerospace grades. Shot peening or PVD coating are some of the surface finish that can be applied to further improve wear resistance.

As an international solution provider, we can provide customize alloy grades (Gr5, Gr7, Gr9) which are certified NADCAP and AS9100, Detailed mill certificate deliverables and includes chemical analysis, tensile testing and grain size analysis. Packaging anti-rust paper pack/fiber drum/carton/pallet/wooden case for exporting with air/sea freight and customs clearance service solutions.

Titanium alloy bars differ greatly from pure titanium bars, as they are suitable for use in high-strain high-temperature applications and are extremely strong and durable. Their fatigue resistance, creep resistance, and corrosion resistance in aggressive media (e.g. hydrocarbon fluids in oil & gas) makes them unique and irreplaceable for high-end manufacturing. For aeroengine components requiring 1200 MPa tensile strength or medical implants demanding biocompatible fatigue resistance, our alloy bars enable performance that goes beyond the capability of pure titanium, along with the technical know-how to facilitate selecting the right material for your application.

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