Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034)
Renowned for its exceptional performance, this titanium tube stands as the best choice for varied industrial applications. It boasts a remarkable balance of moderate strength and reasonable ductility, coupled with outstanding corrosion resistance in both highly oxidizing and mildly reducing environments, including chlorides. Its superior corrosion protection elevates its utility in chemical and offshore industries, as well as aircraft manufacturing where both strength and ease of forming are paramount. Additionally, it finds extensive use in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, CPI equipment, and various industrial and aerospace components.
Fabrication
Titanium Grade 2 is highly amenable to cold forming using standard techniques. It can be easily machined, though attention to sharp tool maintenance and ample coolant usage is critical. Similar to machining austenitic stainless steels, it requires deep and continuous cuts with slow feeds and speeds for optimal results.
Stock Availability
Daxun Alloys maintains a comprehensive inventory of CP 2 Grade Titanium Seamless and Welded Pipes in numerous sizes.
Weight Reduction
CP 2 grade titanium tubes are celebrated for their low density and high strength-to-weight ratio, making them ideal for applications demanding weight reduction without compromising strength. They are cold formable, exhibit good ductility, and can be welded with conventional TIG and MIG processes, though inert gas shielding is essential to avoid weld zone embrittlement.
Crystal Structure
At ambient temperatures, ASTM B338 Grade 2 titanium tube exhibits an alpha (hexagonal close-packed) crystal structure, akin to commercially pure titanium grades 1 and 3. Above approximately 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. This transformation temperature can be altered by the presence and amount of impurities or alloying elements, creating two distinct temperature zones: the alpha transformation zone below which the alloy remains all alpha, and the beta transformation zone above which the alloy is entirely beta. Between these temperatures, both alpha and beta phases coexist. Typical transformation temperatures for Grade 2 titanium are 890°C (1635°F) for alpha and 913°C (1675°F) for beta.
Grade 2 Titanium Seamless Pipe Manufacturing Process
Daxun's ASTM B338 Grade 2 titanium seamless tubes are meticulously crafted from hollow blanks via hot extrusion or oblique rolling and piercing processes, followed by multiple cold rolling stages. Throughout manufacturing, titanium seamless tubes must maintain continuous perimeters. The comprehensive production process includes: sponge titanium vacuum arc melting, ingot blanking to obtain hollow blanks, cleaning, cutting and feeding, hot extrusion or oblique rolling + 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 pipes are produced from annealed flat-rolled steel plates or strips using the automatic arc welding (TIG) process. The production stages include: 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-forming and welding, welded pipes undergo at least one stress relief heat treatment. Daxun refrains from using any filler materials during the welding process.
Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034) This is the most frequently utilized titanium tube for a myriad of industrial applications, offering an exceptional blend of moderate strength and impressive ductility. It delivers outstanding corrosion resistance in both highly oxidizing and mildly reducing environments, including those containing chlorides. This makes it indispensable for corrosion protection in the chemical industry, offshore applications, and aircraft manufacturing, where both strength and formability are paramount. Its versatility extends to use in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and piping systems.
Fabrication
Titanium Grade 2 excels in cold forming using common techniques. It can be readily machined, provided sharp tools are maintained and ample coolant is used. Similar to machining austenitic stainless steels, deep, continuous cuts with slow feeds and speeds yield the best results.
Stock Availability
Daxun Alloys stocks CP Grade 2 Titanium Seamless and Welded Pipes in a diverse range of sizes.
Weight Reduction
CP Grade 2 titanium tubes boast low density and a high strength-to-weight ratio, making them ideal for applications where weight reduction is crucial without compromising strength. They are cold formable, possess good ductility, and can be welded using conventional TIG and MIG methods, though 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, akin to commercially pure titanium grades 1 and 3. Around 885°C (1625°F), this structure shifts to a beta (body-centered cubic) form. The transformation temperature can vary based on impurities or alloying additions. Alloying elements divide the transformation temperature into two zones: the alpha zone (below which the alloy is all alpha) and the beta zone (above which the alloy is all beta). Between these temperatures, both alpha and beta forms coexist. Typical transformation temperatures for Grade 2 titanium are approximately 890°C (1635°F) for alpha and 913°C (1675°F) for beta.
Grade 2 Titanium Seamless Pipe Manufacturing Process
Daxun's ASTM B338 Grade 2 titanium seamless tubes are crafted from hollow blanks via hot extrusion or oblique rolling and piercing processes, followed by multiple rounds of cold rolling. Seamless titanium tubes must maintain continuous perimeters throughout manufacturing. Key steps include: sponge titanium vacuum arc melting, ingot blanking for hollow blanks, cleaning, cutting, feeding, hot extrusion or oblique rolling + 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 pipes are produced from annealed flat-rolled steel plates or strips using the automatic arc welding (TIG) process. The primary production steps include: 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. Welded pipes undergo at least one stress relief heat treatment after forming and welding. Daxun does not use any filler materials during the welding process.
Ti-6Al-4V Titanium Pipe - Grade 5 Titanium TubeTitanium Alloy - (UNS R56400)
Introduction
Introducing the DAXUN Ti-6Al-4V Titanium Tube, Grade 5 (UNS R56400) - the epitome of advanced titanium alloy engineering. This duplex alpha+beta titanium alloy leverages aluminum as the alpha stabilizer and vanadium as the beta stabilizer, delivering unparalleled strength and performance. With its exceptional durability, this high-strength alloy thrives even at low temperatures of approximately 800°F (427°C). The ATI Ti-6Al-4V, Grade 5 alloy is your ultimate solution for annealing, solution treating, and aging applications. It's the preferred choice for critical components like compressor blades, disks, and rings in jet engines; fuselage and space capsule parts; pressure vessels; *** casings; helicopter rotor hubs; fasteners; and high-strength-to-weight ratio critical forgings.
Our alloy's initial melting is meticulously conducted using advanced techniques such as vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). The remelting process is achieved through one or two precise vacuum arc steps, ensuring the highest quality and consistency.
Specifications
• ASTM B338 - Standard Heat Treatable Titanium Tube, designed to meet the most stringent standards.
• AMS 4928 - High-quality Forgings and Forging Stock (Annealed) for robust applications.
• AMS 4965 - Premium Forgings (Solution Treated and Aged) for enhanced performance.
• AMS 4967 - Versatile Forgings (Annealed, Heat Treatable) for diverse industrial needs.
Physical PropertiesExperience exceptional performance with our Ti-6Al-4V Titanium Tube, featuring a melting range of 2,800-3,000°F (1,538-1,649°C).
Impressive Density: 0.160 lb/in3; 4.47 g/cm3, ensuring lightweight strength and resilience.
Beta Transus Temperature: 1830°F (± 25°); 999°C (± 14°), highlighting superior thermal properties.
Heat Treatment To achieve high hardness, tensile strength, and fatigue strength, annealing is performed at 1,700-1,900°F (927-1,038°C).
Our DAXUN 6-4 Grade 5 Titanium Tube offers versatile heat treatment options tailored to your specific needs.
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: Carried out at 1,000-1,200°F (538-649°C) for 1 to 8 hours, with air or furnace cooling.
3. Solution Heat Treating: Performed at 1,675-1,750°F (913-954°C) for 1 hour, followed by a water quench.
4. Aging: Executed at 975-1,025°F (524-552°C) for 4 to 8 hours, with air cooling to achieve optimal properties.
Optimum Properties Achieve unrivaled performance with small cross-sections through rapid quenching in the solution treated and aged condition. For larger cross-sections or delayed quenching, properties may vary.
HardnessIn the annealed condition, typical hardness ranges from Rockwell C 30-34, and in the solution and aged condition, it ranges from approximately Rockwell C 35-39.
Forgeability/Formability Our DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube is expertly forged at 1,750°F (954°C) with a final forging temperature of 1,450°F (788°C). For optimal results, a reduction of at least 35% is recommended.
Despite its formidable strength, the DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube is challenging to form at room temperature, even when annealed. Severe forming operations such as bending or stretching are best performed on the annealed material at temperatures up to 1,200°F (649°C) without compromising mechanical properties. Creep forming is ideal for hot sizing or shaping at temperatures ranging from 1,000 to 1,200°F (538-649°C).
Machinability The DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube, showcases exceptional machinability. It can be processed using standard methods suitable for austenitic stainless steels, characterized by slow speeds, high feeds, robust tool rigidity, and generous use of non-chlorinated cutting fluids.
Weldability The DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube, excels in weldability, whether in the annealed or solution and partially aged conditions. It can undergo efficient welding processes followed by aging during post-weld heat treatment.
To ensure optimal results, it is crucial to avoid contamination from oxygen, nitrogen, and hydrogen. Fusion welding should be carried out in an inert gas-filled chamber or with an inert gas tail shield covering the molten metal and adjacent hot zones. Additionally, spot welding, seam welding, and flash welding can be performed without the necessity of a protective atmosphere.
Special Considerations The DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube, demands careful handling to prevent hydrogen contamination due to improper pickling, and the absorption of oxygen, nitrogen, and carbon during processes such as forging, heat treating, and brazing. Such contamination can adversely affect ductility, notch sensitivity, and formability, necessitating stringent precautions.
