Daxun Alloy's Pure Titanium Grade 1 Titanium Tubes Include:
Seamless Titanium Tubes and Welded Titanium Tubes, which boast exceptional ductility and cold formability, making them the perfect solution for deep drawing processes. Grade 1 Titanium Tubes are celebrated for their outstanding general and seawater corrosion resistance, as well as superior resistance to oxidizing, neutral, and mildly reducing media (solutions), including chlorides.
Titanium's unparalleled low density (approximately half that of nickel-based alloys), combined with high strength, lightweight properties, and remarkable corrosion resistance, renders it an exceptional choice for various harsh chemical environments. Compliance standards include ASTM B338, ASTM B265, ASME SB265, ASTM F67, ISO 5832-2, 3.7025, and UNS R50250.
Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034)
This is the most commonly utilized titanium tube for industrial applications, offering an excellent balance of moderate strength and reasonable ductility. It provides outstanding corrosion resistance in both highly oxidizing and mildly reducing conditions, including chlorides. Ideal for the chemical and offshore industries, aircraft manufacturing, heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and pipes, where strength and ease of forming are paramount.
Fabrication
Titanium Grade 2 adapts well to cold forming using standard methodologies. It can be easily machined, but special care must be taken to maintain sharp tools and use liberal amounts of coolant. Similar to machining austenitic stainless steels, cuts should be deep and continuous, with slow feed rates and speeds.
Stock Availability
Daxun Alloys maintains an extensive inventory of CP 2 Grade Titanium Seamless and Welded Pipes in a range of sizes to meet diverse customer needs.
Weight Reduction
CP 2 Grade Titanium Tubes boast low density and a high strength-to-weight ratio, making them ideal for applications requiring weight reduction without sacrificing strength. These tubes are cold formable, exhibit excellent ductility, and can be welded using conventional TIG and MIG processes, although inert gas shielding is essential to prevent embrittlement in the weld zone.
Crystal Structure
At room temperature, ASTM B338 Grade 2 Titanium Tubes exhibit an alpha (hexagonal close-packed) crystal structure, similar to commercially pure titanium grades 1 and 3. At approximately 885°C (1625°F), they transform into a beta (body-centered cubic) structure. This transformation temperature can be modified based on the type and amount of impurities or alloying elements. Alloy additions create two temperature zones: the alpha transformation zone (below which the alloy is all alpha) and the beta transformation zone (above which the alloy is all beta). In between these zones, both alpha and beta forms coexist. Typical alpha and beta transformation temperatures for Grade 2 Titanium are 890°C (1635°F) and 913°C (1675°F), respectively.
Grade 2 Titanium Seamless Pipe Manufacturing Process
Daxun's ASTM B338 Grade 2 Titanium Seamless Tubes are meticulously crafted from hollow blanks through hot extrusion or oblique rolling and piercing processes, followed by rigorous cold rolling procedures. These seamless tubes maintain continuous perimeters throughout the manufacturing process. Key stages include: sponge titanium vacuum arc melting, ingot blanking for hollow blanks, cleaning, cutting and feeding, hot extrusion or oblique rolling and piercing, degreasing, drying, cutting, online annealing and straightening, pickling, multiple cold rolling, degreasing, drying, vacuum annealing, straightening, cutting, pickling, final inspection, marking (DAXUN), and packaging.
Grade 2 Titanium Welded Pipe Manufacturing Process
Daxun's ASTM B338 Grade 2 Titanium Welded Pipe is expertly crafted from annealed flat-rolled steel plate or strip through an advanced automatic arc welding (TIG) process. The meticulous production journey encompasses: titanium plate uncoiling, shearing, butt welding, cleaning, pipe forming, TIG welding, eddy current testing, pre-sizing, annealing, precision reducing and sizing, straightening, eddy current testing, caliper marking, cutting, ultrasonic testing, hydrostatic testing, final inspection, and packaging. Post-formation and welding, the welded pipes undergo a critical stress relief heat treatment. Note that Daxun does not employ any filler materials during the welding process.
Ti-6Al-4V Titanium Pipe - Premier Grade 5 Titanium Tube
Titanium Alloy - (UNS R56400)
Introduction
DAXUN Ti-6Al-4V Titanium Tube, Grade 5 (UNS R56400) represents the pinnacle of titanium alloys. This duplex alpha+beta titanium alloy uniquely utilizes aluminum as the alpha stabilizer and vanadium as the beta stabilizer. Delivering high strength, this alloy performs exceedingly well at low temperatures, around 800°F (427°C). The versatile ATI Ti-6Al-4V, Grade 5 alloy excels in annealing, solution treating, and aging, making it indispensable for components like compressor blades, disks, and rings for jet engines; fuselage and space capsule components; pressure vessels; *** cases; helicopter rotor hubs; fasteners; and critical forgings requiring a superior strength-to-weight ratio.
The alloy begins its journey with vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM), followed by remelting through one or two vacuum arc processes.
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
Annealed at temperatures between 1,700-1,900°F (927 - 1,038°C), the titanium tube exhibits high hardness, tensile strength, and fatigue strength properties.
DAXUN 6-4 Grade 5 Titanium Tube offers versatile heat treatment options.
1. Annealing: Conducted at 1,275-1,400°F (691-760°C) for ½ to 2 hours, followed by air or furnace cooling.
2. Stress Relief Annealing: Performed at 1,000-1,200°F (538-649°C) for 1 to 8 hours, with air or furnace cooling.
3. Solution Heat Treating: Executed at 1,675-1,750°F (913-954°C) for 1 hour, followed by a water quench.
4. Aging: Carried out at 975-1,025°F (524-552°C) for 4 to 8 hours, followed by air cooling.
Optimum Properties
Small cross sections subjected to rapid quenching achieve superior properties in the solution treated and aged condition. Larger cross-sections and/or delayed quenching may yield suboptimal properties.
Hardness
Typically, the hardness ranges from Rockwell C 30-34 in the annealed condition to approximately Rockwell C 35-39 in the solution treated and aged state.
Forgeability/Formability
Discover the superior DAXUN Ti-6Al-4V Titanium Tube, specifically the Grade 5 Titanium Tube. Expertly forged at 1,750°F (954°C) and completed at an optimal 1,450°F (788°C), this tube achieves exceptional results when reduced by at least 35%. Experience unparalleled strength and durability.
Experience the challenge and reward of working with DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube. While forming at room temperature is tough, even when annealed, severe operations like bending and stretching are feasible at up to 1,200°F (649°C) without compromising mechanical properties. Employ creep forming for precise hot sizing or shaping within the 1,000 to 1,200°F (538 to 649°C) range.
Enhanced Machinability
Maximize your machining efficiency with the DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube. Employ methods used for austenitic stainless steels, utilizing slow speeds, high feeds, and robust tool rigidity. Ensure optimal performance with generous amounts of non-chlorinated cutting fluids.
Effortless Weldability
The DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube is highly weldable both in annealed and solution/partially aged conditions. Post-weld heat treatment effectively accomplishes aging.
Precautions are crucial to prevent contamination by oxygen, nitrogen, and hydrogen. Execute fusion welding within an inert gas-filled chamber or use an inert gas tail shield to protect the molten metal and adjacent hot zones. Beyond fusion welding, spot welding, seam welding, and flash welding can be performed without a protective atmosphere.
Critical Special Considerations
Be aware that the DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube may suffer contamination from hydrogen due to improper pickling or absorption of oxygen, nitrogen, and carbon during processes such as forging, heat treating, and brazing. Such contamination can detrimentally affect ductility, notch sensitivity, and formability.
Audited Supplier 
){kind=link}