Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034)
Renowned for its robust versatility, Grade 2 Titanium Tube is the industry standard for a multitude of industrial applications. Offering an exceptional balance of moderate strength and excellent ductility, it stands out with top-tier corrosion resistance in both intensely oxidizing and mildly reducing environments, including chloride-rich conditions. It ensures superior corrosion protection, making it indispensable in the chemical and offshore industries, as well as in aircraft manufacturing. This versatile tube excels in heat exchangers, hypochlorite and fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and piping solutions.
Fabrication
Titanium Grade 2 is highly amenable to cold forming through standard techniques. While it can be easily machined, it is crucial to maintain sharp cutting tools and utilize a generous amount of coolant. Similar to machining austenitic stainless steels, deep and continuous cuts with slow feeds and speeds are recommended for optimal results.
Stock Availability
At Daxun Alloys, we maintain an extensive inventory of CP 2 Grade Titanium Seamless and Welded Pipes available in a wide range of sizes to meet diverse industrial needs.
Weight Reduction
CP 2 Grade Titanium Tubes are prized for their low density and high strength-to-weight ratio, making them ideal for applications demanding weight reduction without compromising strength. These tubes are cold formable, exhibit excellent ductility, and can be welded using conventional TIG and MIG processes, with inert gas shielding essential to prevent weld zone embrittlement.
Crystal Structure
ASTM B338 Grade 2 titanium tube features an alpha (hexagonal close-packed) crystal structure at room temperature, akin to commercially pure titanium grades 1 and 3. Around 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. This transformation temperature may vary based on the type and quantity of impurities or alloying elements. Alloy additions also split the equilibrium transformation temperature into two zones: the alpha transformation zone, below which the alloy is entirely alpha, and the beta transformation zone, above which the alloy is fully beta. Between these zones, both alpha and beta forms coexist. For Grade 2 titanium, typical alpha and beta transformation temperatures 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, followed by multiple cold rolling processes. Each stage ensures continuous perimeters, adhering to precise standards. The comprehensive manufacturing process encompasses: sponge titanium vacuum arc melting, ingot blanking to obtain hollow blanks, cleaning, cutting, and feeding, hot extrusion or oblique rolling and piercing, degreasing, drying, cutting, online annealing, 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 engineered from annealed flat-rolled steel plate or steel strip, utilizing an automatic arc welding (TIG) process. The key 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 ensures no filler materials are used during welding.
Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034) Our Titanium Tube Gr2, ASTM B338, ASME Sb861, and Sb862, is the quintessential choice for industrial applications, offering an impeccable blend of moderate strength and excellent ductility. Renowned for its superior corrosion resistance in both highly oxidizing and mildly reducing environments, including chlorides, this titanium tube is a trusted solution across a range of demanding industries. It excels in providing robust corrosion protection in chemical processing, offshore industries, and aircraft manufacturing, where both strength and formability are paramount. Additionally, it is extensively used in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and piping.
Fabrication
Titanium Grade 2 stands out for its excellent cold forming capabilities using conventional methods. It is highly machinable, though attention to tool sharpness and liberal coolant use is crucial. Similar to machining austenitic stainless steels, deep, continuous cuts with slow feeds and speeds are recommended for optimal results.
Stock Availability
At Daxun Alloys, we maintain a comprehensive inventory of CP 2 Grade Titanium Seamless and Welded Pipes in a diverse range of sizes, ensuring we meet all your application needs.
Weight Reduction
CP 2 Grade Titanium Tubes are distinguished by their low density and exceptional strength-to-weight ratio, making them ideal for applications demanding weight reduction without compromising strength. These tubes are cold formable, exhibit excellent ductility, and are weldable using standard TIG and MIG processes, with inert gas shielding essential to prevent weld zone embrittlement.
Crystal Structure
The ASTM B338 Grade 2 titanium tube exhibits an alpha (hexagonal close-packed) crystal structure at room temperature, akin to commercially pure titanium grades 1 and 3. Upon reaching approximately 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. This transformation temperature can be modified by the type and concentration of impurities or alloying elements. These additions also segment the equilibrium transformation temperature into two distinct zones: the alpha transformation zone (entirely alpha structure) and the beta transformation zone (entirely beta structure). Between these zones, both alpha and beta forms coexist. For Grade 2 titanium, typical alpha and beta transformation temperatures are around 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 crafted from hollow blanks via hot extrusion or oblique rolling and piercing, followed by multiple cold rolling stages. The manufacturing process ensures continuous perimeters through all stages. Key steps include: sponge titanium vacuum arc melting, ingot blanking, 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 produced from annealed flat-rolled steel plate or strip using the automatic arc welding (TIG) process. Core production processes 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. These welded pipes undergo at least one stress relief heat treatment post-forming and welding. Note: Daxun does not use any filler materials during the welding process.
Ti-6Al-4V Titanium Pipe - Grade 5 Titanium TubeTitanium Alloy - (UNS R56400)
Introduction
DAXUN Ti-6Al-4V Titanium Tube, Grade 5 (UNS R56400) stands as the premier choice among titanium alloys. This duplex alpha+beta titanium alloy uniquely integrates aluminum as the alpha stabilizer and vanadium as the beta stabilizer. Renowned for its remarkable strength, this alloy performs impeccably at temperatures as low as 800°F (427°C). ATI Ti-6Al-4V, Grade 5 alloy is ideal for processes such as annealing, solution treating, and aging. It is extensively employed in compressor blades, disks, and rings for jet engines; fuselage and space capsule components; pressure vessels; *** cases; helicopter rotor hubs; fasteners; and critical forgings where a superior strength-to-weight ratio is imperative.
The initial melting of the alloy is meticulously accomplished using vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM) techniques. The remelting phase is executed in one or two vacuum arc steps to ensure premium quality 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 PropertiesTi-6Al-4V Titanium Tube Melting Range: 2,800-3,000°F (1,538 - 1,649°C)
Density: A robust 0.160 lb/in3; 4.47 g/cm3
Beta Transus Temperature: Precisely 1830°F (± 25°); 999°C (± 14°)
Heat Treatment Annealed at a perfect range of 1,700-1,900°F (927 - 1,038°C) when high hardness, tensile strength, and fatigue strength are prerequisites.
DAXUN 6-4 Grade 5 Titanium Tube exhibits versatile heat treatment options to meet various industrial demands.
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: Executed at 1,000 -1,200°F; (538 - 649°C) for 1 to 8 hours, then cooled by air or furnace.
3. Solution Heat Treating: Performed 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, with air cooling.
Optimum Properties Optimum properties are achieved in small cross sections with rapid quenching. Larger cross-section sizes and/or delayed quenching may result in suboptimal properties.
HardnessThe typical hardness in the annealed condition is Rockwell C 30-34, and approximately Rockwell C 35-39 in the solution-treated and aged condition.
Forgeability/Formability 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). A reduction of at least 35% is recommended for optimal results.
Forging DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube at room temperature is challenging, 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 altering its mechanical properties. For hot sizing or forming, creep forming at temperatures ranging from 1,000 to 1,200°F (538 to 649°C) is advisable.
Machinability Experience superior machining with the DAXUN Ti-6Al-4V Titanium Tube, Grade 5. Our titanium tubes can be expertly processed using techniques designed for austenitic stainless steels. Optimize your operations with slow speeds, high feeds, robust tool rigidity, and copious amounts of non-chlorinated cutting fluids, ensuring precision and efficiency.
Weldability The DAXUN Ti-6Al-4V Titanium Tube, Grade 5, boasts exceptional weldability whether in the annealed state or after partial aging. This ensures reliable connections and structural integrity for your heat exchanger applications.
During post-weld heat treatment, aging is efficiently accomplished. It is crucial to avoid contamination by oxygen, nitrogen, and hydrogen. Fusion welding can be performed in an inert gas environment or with an inert gas tail shield to protect the molten and surrounding hot metal zones. Additionally, spot welding, seam welding, and flash welding can be conducted without the need for a protective atmosphere, ensuring versatile and dependable welding processes.
Special Considerations To maintain the superior quality of the DAXUN Ti-6Al-4V Titanium Tube, Grade 5, it is essential to prevent contamination from hydrogen during improper pickling or from oxygen, nitrogen, and carbon absorption during forging, heat treating, brazing, and similar processes. Such contamination could diminish ductility and negatively affect notch sensitivity and formability, so stringent controls are recommended to preserve material integrity.
