Daxun Alloy, as a leading titanium alloy tube manufacturer and supplier in China, provides high-quality Grade 5 titanium pipes to the world and is highly regarded by many projects.

Ti 6Al-4V (Grade 5 Titanium) is the most widely used titanium alloy, accounting for more than 50% of total titanium usage. It is typically used in the annealed state and can operate at temperatures up to 400°C (750°F). Ti 6Al/4V is welded with matching or ELI filler wire and offers significantly higher strength than commercial pure titanium tubes. It also boasts better stiffness and thermal properties (excluding thermal conductivity), although its thermal conductivity is about 60% lower than CP titanium. Among its numerous advantages, Ti 6Al/4V can be heat treated to achieve more ideal strength and performance. The benefits of using Grade 5 titanium seamless tubes include strong formability, low density, and excellent corrosion resistance.

This grade embodies the perfect fusion of strength, corrosion resistance, weldability, and machinability. Thus, it's extensively utilized in high-stakes sectors such as military aircraft, the aviation industry, rocket components, precision-guided munitions, armor parts, naval equipment, and military vacuum systems. A closely related variant, 6-4ELI, finds use in surgical implants. Primarily, it is employed in applications demanding superior ductility and toughness under cold working conditions, performing optimally up to 400°C. Known for its exceptional specific strength, it is typically supplied in the annealed state and can be heat-treated to enhance strength for diverse uses. As a versatile titanium alloy, Ti 6Al-4V seamless tubes exhibit a remarkable range of properties at temperatures from -210°C to 400°C. Grade 5 titanium alloy tubes stand out as the most commercialized among titanium alloys, combining high strength and toughness with excellent welding and processing capabilities.

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Titanium Seamless Tubes
Daxun produces:
Hot-finished Titanium Tubes
These premium-grade tubes are meticulously supplied in hot-rolled or hot-extruded forms, then expertly straightened, and precision-machined both inside and out. The surface is polished to perfection. Available in both heat-treated and non-heat-treated forms, each tube is subjected to 100% ultrasonic flaw detection, ensuring unmatched quality.
Titanium Tube Materials Available:
Hot-rolled Titanium Tubes: Outer diameters ranging from 19mm to 325mm, wall thicknesses between 9mm to 30mm, and lengths up to 5000mm (dimensions can be customized upon agreement between the manufacturer and the customer); - Hot-extruded Titanium Tubes: Outer diameters ranging from 50mm to 160mm, wall thicknesses between 7mm to 35mm, and lengths up to 3000mm (adjustable upon mutual agreement).
Cold-finished Titanium Tubes
Cold-finished Titanium Tubes are provided in heat-treated forms, with surface etching, and undergo rigorous hydrostatic or ultrasonic testing as per manufacturing specifications. Tubes available: Outer diameters from 6mm to 89mm, wall thicknesses from 0.5mm to 11mm, and lengths up to 6000mm (customizable upon mutual agreement).

Titanium Welded Pipes
DaXun excels in manufacturing titanium pipes with diameters from 100mm to 12.7-38.1mm (0.47 in to 1.5 in), wall thicknesses from 0.4mm to 1.65mm (0.016 in to 0.065 in, dependent on diameter), and lengths stretching up to 25000mm. These pipes are crafted from flat rolled material using advanced automatic tungsten inert gas (argon) welding, followed by heat treatment on the mill line. Each finished pipe undergoes stringent mechanical testing, precise geometrical measurements, comprehensive 100% ultrasonic and eddy current testing, as well as pneumatic or hydrostatic testing. Packaged according to customer specifications, our titanium welded pipes meet ASTM B 338 and ASME SB 338 standards, setting the benchmark for engineering and chemical industry applications.

Ti-6Al-4V- Grade 5 Titanium tube

• Titanium Alloy-(UNS R56400)

INTRODUCTION

• DAXUN Ti-6Al-4V, Grade 5 Alloy Tube (UNS R56400) is the premier choice among titanium alloys. This duplex alpha+beta alloy, stabilized by aluminium and vanadium, excels at cryogenic temperatures up to 800°F (427°C). Renowned for its high tensile strength, this alloy is ideal for demanding applications such as jet engine components (compressor blades, discs, rings), aerospace structures (fuselage and space capsules), pressure vessels, *** casings, helicopter rotor hubs, fasteners, and high-strength forgings.
• The alloy undergoes initial melting via vacuum arc remelting (VAR), electron beam (EB), or plasma arc hearth melting (PAM). Subsequent remelting is performed in one or two additional vacuum arc stages to ensure purity and consistency.

SPECIFICATIONS

• ASTM B338 - Standard specification for heat-treatable titanium tubes
• AMS 4928 - Specifications for annealed forgings and forging stock
• AMS 4965 - Guidelines for solution treated and aged forgings
• AMS 4967 - Criteria for annealed, heat-treatable forgings

PHYSICAL PROPERTIES

• Melting Range: 2,800-3,000°F (1,538 - 1,649°C)
• Density: 0.160 lbs/cu. in.; 4.47 gm/cc
• Beta Transus Temperature: 1830°F (± 25°); 999°C (± 14°)

HEAT TREATMENT

• For optimal hardness, tensile, and fatigue strength, anneal at 1,700-1,900°F (927 - 1,038°C).
• DAXUN 6-4™, Grade 5 Alloy offers multiple heat treatment methods to suit varied requirements.
• 1. Anneal: Maintain at 1,275 -1,400°F (691 - 760°C) for ½ to 2 hours, followed by air or furnace cooling.
• 2. Stress Relief Anneal: Keep at 1,000 -1,200°F (538 - 649°C) for 1 to 8 hours, then air or furnace cool.
• 3. Solution Heat Treatment: Heat to 1,675 -1,750°F (913 - 954°C) for 1 hour, then quench in water.
• 4. Aging Treatment: Heat at 975 -1,025°F (524 - 552°C) for 4 to 8 hours, followed by air cooling.
• Achieving the best properties in the solution treated and aged condition is contingent on rapid quenching of small cross sections. Larger sections or quench delays may result in suboptimal properties.
  Hardness may be compromised if quench delays occur or with larger sections, thus not reaching optimum values.

HARDNESS

In its annealed state, the typical hardness level is Rockwell C 30-34. In the solution and aged condition, hardness typically ranges between Rockwell C 35-39.

FORGEABILITY/ FORMABILITY

• Forging of DAXUN Ti-6Al-4V, Grade 5 alloy tubes is conducted at 1,750°F (954°C), with the final forging temperature at 1,450°F (788°C). To achieve optimal results, a reduction of at least 35% is recommended.
• DAXUN Ti-6Al-4V, Grade 5 alloy, renowned for its challenging formability at room temperature, retains its mechanical integrity even after undergoing rigorous forming techniques such as bending or stretching at elevated temperatures up to 1,200°F (649°C). Hot sizing or forming is efficiently achieved through creep forming within a temperature range of 1,000 to 1,200°F (538 to 649°C), ensuring the material's superior performance.

MACHINABILITY

• DAXUN Ti-6Al-4V, Grade 5 alloy exemplifies precision machining, adopting methodologies akin to austenitic stainless steels, which include slower speeds, more substantial feeds, and steadfast
  tooling, complemented by the usage of ample non-chlorinated cutting fluids to maintain cutting efficiency and material integrity.

WELDABILITY

• The DAXUN Ti-6Al-4V Grade 5 Alloy Titanium Tube offers exceptional weldability in both annealed and partially aged conditions, with post-weld heat treatment ensuring robust performance. Vigilant measures are essential to prevent contamination from oxygen, nitrogen, and hydrogen.
• Fusion welding is optimally executed within an inert gas-filled chamber or using an inert gas tail shield for the molten metal and surrounding hot areas. Techniques such as spot welding, seam welding, and flash welding are feasible without requiring protective environments.

SPECIAL PRECAUTIONS

• DAXUN Ti-6Al-4V, Grade 5 alloy demands stringent handling to avert hydrogen contamination during incorrect pickling and to prevent the absorption of oxygen, nitrogen, and carbon during processes like forging, heat treatment, and brazing. Such contamination threatens to undermine ductility, thus affecting notch sensitivity and formability adversely.

Ti-6Al-4V Titanium Pipe- Grade 5 Titanium Tube

Titanium Alloy - (UNS R56400)
Introduction
DAXUN Ti-6Al-4V Titanium Tube, Grade 5 (UNS R56400), stands as the most acclaimed titanium alloy, a duplex alpha+beta titanium alloy leveraging aluminum as the alpha stabilizer and vanadium as the beta stabilizer. This robust alloy is proficient in operating at low temperatures approximating 800°F (427°C). ATI Ti-6Al-4V, Grade 5 finds its application in annealing, solution treatment, and aging, serving pivotal roles in compressor blades, jet engine disks, fuselage parts, space capsule components, pressure vessels, *** cases, helicopter rotor hubs, fasteners, and critical forgings characterized by a high strength-to-weight ratio.
Initially, the alloy undergoes vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). Subsequent remelting is performed through one or two vacuum arc steps, ensuring the material's purity and consistency.
Specifications
•ASTM B338 - Standard Heat Treatable Titanium Tube
• AMS 4928 - Forgings and Forging Stock (Annealed)
• AMS 4965 - Forgings (Solution Treated and Aged)
• AMS 4967 - Forgings (Annealed, Heat Treatable)

Physical Properties

Ti-6Al-4V Titanium Tube Melting Range: 2,800-3,000°F (1,538 - 1,649°C)
Density: 0.160 lb/in3; 4.47 g/cm3
Beta Transus Temperature: 1830°F (± 25°); 999°C (± 14°)

Heat Treatment

For applications demanding high hardness, tensile strength, and fatigue resistance, the alloy is annealed within a temperature spectrum of 1,700-1,900°F (927 - 1,038°C).
The DAXUN Grade 5 Titanium Tube, renowned for its superior Ti-6Al-4V alloy, offers versatile heat treatment options to meet diverse high-performance military applications.
1. **Annealing:** Achieve optimal structural stability by annealing at temperatures ranging from 1,275°F to 1,400°F (691°C to 760°C) for ½ to 2 hours, followed by air or furnace cooling.
2. **Stress Relief Annealing:** Relieve internal stresses efficiently by annealing at 1,000°F to 1,200°F (538°C to 649°C) for 1 to 8 hours, then air or furnace cooling.
3. **Solution Heat Treating:** Maximize material strength by solution heat treating at 1,675°F to 1,750°F (913°C to 954°C) for 1 hour, followed by a rapid water quench.
4. **Aging:** Enhance material properties through aging at 975°F to 1,025°F (524°C to 552°C) for 4 to 8 hours, followed by air cooling.

Optimum Properties

Achieve optimal mechanical properties with small cross-sections and rapid quenching. Note that larger cross-sections and delayed quenching may compromise these properties.

Hardness

In the annealed state, typical hardness ranges from Rockwell C 30-34. Post solution and age treatments, hardness can increase to approximately Rockwell C 35-39.

Forgeability/Formability

The Grade 5 Titanium Tube is ideally forged at 1,750°F (954°C) with a final forging temperature of 1,450°F (788°C). For best results, a reduction ratio of at least 35% is recommended.

This titanium tube, while challenging to form at room temperature, can undergo severe forming operations like bending or stretching up to 1,200°F (649°C) without altering mechanical properties. Creep forming is suitable for hot sizing/forming between 1,000°F and 1,200°F (538°C to 649°C).

Machinability

Machining of the Grade 5 Titanium Tube can be performed using techniques for austenitic stainless steels: employ slow speeds, high feeds, robust tooling, and abundant non-chlorinated cutting fluids for best results.

Weldability

The Grade 5 Titanium Tube excels in weldability in both annealed and solution/partially aged states. Aging is achieved during post-weld heat treatment.

To ensure high-quality welds, avoid contamination from oxygen, nitrogen, and hydrogen. Fusion welding is ideally performed in an inert gas-filled chamber or with an inert gas tail shield. Spot, seam, and flash welding can be executed without a protective atmosphere.

Special Considerations

Prevent contamination of the Ti-6Al-4V alloy from hydrogen during improper pickling and from oxygen, nitrogen, and carbon absorption during processes like forging and heat treating. Such contamination can reduce ductility, impact notch sensitivity, and impair formability.

Q1: What products can you offer?

A: We offer a wide range of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L, 300 series, and high-end materials such as 400 series and duplex stainless steel including 2205, 2304, 2101, 2507, and more.
Our selection also features high-nickel alloy steels such as 904L, 800H, and 600H, crafted to meet your diverse requirements.

Q2. Can you produce the products according to my own drawings?

Yes, we specialize in custom manufacturing and can produce products according to your precise drawings, ensuring your utmost satisfaction.

Q3. How does your factory do regarding quality control?

Quality is our top priority. We meticulously control quality at every stage, from inception to completion, guaranteeing superior products.

Q4. Can I request to change the form of packaging and transportation?

Yes, we can alter the packaging and transportation form according to your request.
Please note, however, that you will be responsible for any additional costs incurred during this process.

Q5. How does your factory do regarding quality control?

As stated, quality is our top priority. We implement rigorous quality control measures from the start to the finish of the production process.

Q6. How long is the delivery time?

A: Typically, our delivery time ranges from 7 to 20 working days post-payment confirmation.
If your order is urgent, we can expedite the process to complete it ahead of schedule.

Q7. What is your Payment?

A: 100% T/T in advance or Western Union for small orders.

B: 30% T/T upfront, with the remaining 70% before shipment.

C: 100% Irrevocable LC at sight for large orders.

Q8: Can you make DDQ (Deep Drawing Quality)?

A: Yes, we can. Our materials are suitable for deep drawing applications such as stainless steel pots, sinks, and bowls. Share your specific usage, and we will adjust the mechanical properties to meet your requirements.

Q9: How to get a sample?

A: We provide FREE samples for your testing and evaluation. If it's a small piece, we may cover the courier costs, depending on the situation.

Q10: Which countries have you exported to?

A: To date, our stainless steel materials have been exported to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.

Q11: How to visit your company?

A: Fly to Guangzhou Baiyun International Airport, where we will be delighted to pick you up and facilitate your visit.