Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube

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Customization: Available
Type: Titanium Pipes
Application: Industrial, Medical
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  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
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Overview

Basic Info.

Model NO.
Grade 2 titanium tube
Grade
Gr2 Grade2
Shape
Round
Standards
Astmb861 B862 B338 ASME Sb861 Sb862 Sb338
Titanium Plate Grade
Grade 2 Uns R50400
Transport Package
Wooden Box
Specification
φ 6.35mm-φ 1219mm
Trademark
Daxun
Origin
China
Production Capacity
1000ton

Product Description

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
Product Parameters
 
 Grade 2 Titanium pipe & Tubes Specification ASTM B338 / ASTM B861 / ASTM B862 / ASME SB338 / ASME SB861 / ASME SB862
Grade 2 Titanium pipe & Tubes Grades Commercially pure titanium Grade 2- TA2- USN 50400
Grade 2 Titanium pipe & Tubes Type ot Rolled / Cold Drawn / Welded / ERW
Grade 2 Titanium pipe & Tubes Outer Diameter Size Titanium seamless pipe - φ1.0mm to φ508.3mm
Titanium welded pipe - φ1.0mm to φ1219mm
Grade 2 Titanium pipe & Tubes Wall Thickness 1.0mm-50mm (customizable wall thickness)
Grade 2 Titanium pipe & Tubes Length 5 to 7 Meters, 09 to 13 Meters, Single Random Length, Double Random Length And Customize Size.
Titanium pipe Form TA2 ' Hollow, U' bent, LSAW, Hydraulic, Straight Tube, Boiler, Round, Tube Coil, Square, Rectangular Etc
Marking  TA2 3.7035 All Titanium Tubes Tubing are marked as follows: Grade, Standard, Thickness, OD, Heat No., Length (Or according to the customer's request.)
Uses of Titanium Alloy Tubes Gas pipes, oil pipes, heat exchanger tubes, boiler tubes, fluid pipes, titanium exhaust pipes.
Grade 2 Titanium pipe & Tubes Pipe Ends Plain Ends / Beveled Ends
Grade 2 Titanium pipe & Tubes Delivery Conditions As Rolled, Cold Drawn, Hot Finish, Stress Relieved, Annealed, Hardened, Tempered
Grade 2 Titanium pipe & Tubes Coating Electropolish, Mechanical Polish, Satin Finish, Passivated
Grade 2 Titanium pipe & Tubes Other Testing ardness Test, Hydrostatic Test, Eddy Current test, Eddy Current, Tensile Test, Flattening, Flare Test, Annealed, Hydrostatic Test, Tempered, Stress Relieved etc.
Grade 2 Titanium pipe & Tubes Dimension All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME
Grade 2 Titanium pipe & Tubes Value Added Services Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
Grade 2 Titanium pipe & Tubes Packaging Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
Grade 2 Titanium pipe & Tubes Shipment & Transportation By Road - Truck / Train, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes
Grade 2 Titanium pipe & Tubes Material Test Certificate Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC
 
Detailed Photos

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube

Advanced Production: Titanium Welded Tube

Grade 2 Titanium Welded Tube: Our Grade 2 Titanium Welded Tubes boast dimensions ranging from 6.0mm to an impressive 1219mm in diameter, with wall thicknesses spanning from 0.3mm to 30mm, tailored according to diameter specifics. These tubes reach lengths of up to 25000mm and are crafted from premium Gr1 titanium. The production process incorporates state-of-the-art electric tube welding machines utilizing automatic tungsten inert gas (argon) welding, complemented by on-the-line heat treatment. Each tube undergoes rigorous mechanical tests, geometric measurements, and thorough inspections including 100% ultrasonic and eddy current testing, alongside pneumatic or hydrostatic evaluations, before being meticulously packaged to meet customer specifications. Our advanced manufacturing technology and top-tier inspection and testing equipment ensure our thin-wall welded tubes adhere strictly to ASTM B 338 and ASME SB 338 standards.

 

Advanced Production: Titanium Seamless Pipe

  • Grade 2 titanium seamless pipes are available in hot rolled or hot extruded forms, meticulously straightened, with precisely processed inner and outer diameters, and surface etched for superior quality. These pipes can be obtained in both heat-treated and non-heat-treated options. At Daxun, we employ 100% ultrasonic flaw detection to ensure impeccable quality. Our hot rolled and hot extruded titanium seamless pipes offer outer diameters ranging from 1.0mm to 325mm, wall thicknesses from 0.3mm to 50mm, and lengths up to 12000mm. For cold-rolled titanium seamless pipes, we provide cold-processed options post-heat treatment, inclusive of surface etching and thorough water pressure tests or ultrasonic flaw detection. These pipes have outer diameters from 6mm to 102mm, wall thicknesses between 0.5mm and 20mm, and lengths reaching up to 9000mm.
    (The above is agreed upon by the manufacturer and the customer based on the specific situation)
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
 
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube

Grade 2 Titanium Tube Features

Daxun's Grade 2 Titanium Tubes are renowned for their medium strength, exceptional cold-forming capabilities, and superior welding properties. These tubes exhibit remarkable resistance to oxidation and corrosion, making them an ideal choice for a variety of applications.

  • High Strength Titanium Alloy
  • Excellent Cold Formability
  • Exceptional Weldability
  • Superior High Oxidation Resistance
  • We pride ourselves on stocking and selling an extensive range of Grade 2 Titanium Tubes, including Titanium Welded Tubes, Titanium Seamless Tubes, Pipe Fittings, and Forged Seamless Tubes.
 

A global leader in the fabrication of commercially pure titanium tubes

Purchase Grade 2 Titanium Tubes from Daxun, where we offer an extensive array of sizes starting from a 1.0 mm diameter. Our offerings include both in-stock and custom-made solutions tailored to your specifications. We promptly provide drawn, seamless rolled, or longitudinally welded tubes for diverse applications, adhering to typical specifications for heat exchangers such as ASTM B 338, ASME SB 338, DIN, and VD TÜV.

Our CP Grade 2 tubes possess a density of 4.51 g/cm3, which is 45% lower than that of ferrous alloys. This medium-strength alloy showcases a typical yield strength of 352 MPa. It stands out for its excellent ductility, formability, and welding properties. The inclusion of iron and oxygen elevates its strength and formability. Moreover, CP Grade 2 exhibits similar performance qualities to Grade 1, with outstanding corrosion resistance under oxidizing conditions, yet it is notably stronger than Grade 1 titanium tubes.

Grade 2 Titanium Tubes are commercially pure titanium, offering an exceptional balance between strength and ductility. This material is celebrated for its excellent toughness and is the most widely utilized titanium alloy due to its high strength, weldability, and corrosion resistance. Its high ductility and formability make it the preferred alloy for piping systems, heat exchangers, reaction and pressure vessels, and flue gas desulfurization systems. Grade 2 titanium alloys find applications in a multitude of industries, including chemical processing, petrochemical processing, aerospace, and marine sectors.

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
Packaging & Shipping

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
Company Profile

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube

Titanium Seamless Tubes
Daxun produces:
Hot-finished Titanium Tubes
These tubes are offered in hot-rolled or hot-extruded forms, meticulously straightened, with machined inner and outer diameters, and polished surfaces. Available in both heat-treated and non-heat-treated forms, our titanium tubes are guaranteed flawless with 100% ultrasonic flaw detection capabilities.
Titanium Tube Materials Available:
Hot-rolled Titanium Tubes: OD 19mm to 325mm, wall thickness 9mm to 30mm, lengths up to 5000mm (agreed case-by-case between manufacturer and customer). - Hot-extruded Titanium Tubes: OD 50mm to 160mm, wall thickness 7mm to 35mm, lengths up to 3000mm (agreed case-by-case between manufacturer and customer).
Cold-finished Titanium Tubes
Cold-finished Titanium Tubes are available heat-treated, surface-etched, and rigorously tested hydrostatically or ultrasonically, according to manufacturing specifications. Available Tubes: OD 6mm to 89mm, wall thickness 0.5mm to 11mm, lengths up to 6000mm (agreed case-by-case between manufacturer and customer).

Titanium Welded Pipes
DaXun manufactures and supplies titanium pipes with diameters ranging from 12.7mm to 38.1mm (0.47in to 1.5in), wall thickness from 0.4mm to 1.65mm (0.016in to 0.065in), and lengths up to 25000mm. These pipes, made from Gr1, Gr2, and Gr12 titanium alloys, are ideal for engineering and chemical industries. Produced from flat rolled material and welded using automatic tungsten inert gas (argon) welding, they are heat-treated on the mill line. Comprehensive testing, including mechanical, geometrical, ultrasonic, eddy current, pneumatic, and hydrostatic ensures compliance with ASTM B 338 and ASME SB 338 standards. Pipes are packed per customer specifications.

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube
CP GR1 Titanium tube PHYSICAL PROPERTIES
Physical Properties Metric English Comments
Density 4.50 g/cc 0.163 lb/in³  
a Lattice Constant 2.95 Å @Temperature 25.0 °C 2.95 Å @Temperature 77.0 °F alpha phase
3.29 Å @Temperature 900 °C 3.29 Å @Temperature 1650 °F beta phase
c Lattice Constant 4.683 Å 4.683 Å @Temperature 77.0 °F c/a = 1.587
 
Mechanical Properties Metric English Comments
Hardness, Brinell 120 120 annealed
Hardness, Knoop 132 132 Estimated from Brinell.
Hardness, Rockwell B 70 70 annealed
Hardness, Vickers 122 122 Estimated from Brinell.
Tensile Strength 124 - 138 MPa @Temperature 427 °C 18000 - 20000 psi @Temperature 801 °F  
152 - 179 MPa @Temperature 316 °C 22000 - 26000 psi @Temperature 601 °F  
193 - 207 MPa @Temperature 204 °C 28000 - 30000 psi @Temperature 399 °F  
Tensile Strength, Ultimate 240 MPa 34800 psi  
Tensile Strength, Yield 170 - 310 MPa 24700 - 45000 psi  
76.0 - 90.0 MPa @Temperature 427 °C 11000 - 13100 psi @Temperature 801 °F 0.2% offset
   
83.0 - 103 MPa @Temperature 316 °C 12000 - 14900 psi @Temperature 601 °F 0.2% offset
110 - 124 MPa @Temperature 204 °C 16000 - 18000 psi @Temperature 399 °F 0.2% offset
Elongation at Break 24% 24%  
25 - 30 % @Temperature 427 °C 25 - 30 % @Temperature 801 °F  
30 - 35 % @Temperature 316 °C 30 - 35 % @Temperature 601 °F  
40 - 50 % @Temperature 204 °C 40 - 50 % @Temperature 399 °F  
Reduction of Area 35% 35%  
Tensile Modulus 103 GPa 14900 ksi  
Compressive Modulus 110 GPa 16000 ksi  
Poissons Ratio 0.37 0.37  
Shear Modulus 45.0 GPa 6530 ksi  
Charpy Impact 310 J 229 ft-lb V-notch
Impact Test 136 J 100 ft-lb Impact Strength
Coefficient of Friction, Dynamic 0.68 0.68 Ti sliding on Ti; 300 m/min
  0.8 0.8 Ti sliding on Ti; 40 m/min
 
CP GR2 Titanium tube PHYSICAL PROPERTIES
Density Magnetic Permeability
0.163 lbs/in-3 Nonmagnetic
4.51 g/cm-3 Electrical Resistivity
Beta Transus (+/-25°F, +/--3.9°C) 21 µΩ/in
1680°F 0.53 µΩ/m
915°C Elastic Modulus
Thermal Conductivity 15.2-17.4 Msi
12.60 BTU hr-1ft-1 °F-1 105-120 GPa
21.79 W m-1 °C-1 Typical values at room temperature of about 68-78°F (20-25°C)
 
GR5 TI6AL4V Titanium tube PHYSICAL PROPERTIES
Physical Properties Metric English Comments
       
Density 4.43 g/cc 0.16 lb/in³  
Mechanical Properties
       
Hardness, Brinell 334 334  Estimated from Rockwell C.
Hardness, Knoop 363 363  Estimated from Rockwell C.
Hardness, Rockwell C 36 36  
Hardness, Vickers 349 349  Estimated from Rockwell C.
Tensile strength min. 895MPa 129810 psi  
Yield strength min. 828MPa 120090 psi  
Elongation at Break min.10 % 10 %  
Reduction of Area min.25 % 25 %  
Modulus of Elasticity 113.8 GPa 16500 ksi  
Compressive Yield Strength 970 MPa 141000 psi  
Notched Tensile Strength 1450 MPa 210000 psi  Kt (stress concentration factor) = 6.7
Ultimate Bearing Strength 1860 MPa 270000 psi  e/D = 2
Bearing Yield Strength 1480 MPa 215000 psi  e/D = 2
Poisson's Ratio 0.342 0.342  
Charpy Impact 17 J 12.5 ft-lb  V-notch
Fatigue Strength 240 MPa 34800 psi  at 1E+7 cycles. Kt (stress concentration factor) = 3.3
Fatigue Strength 510 MPa 74000 psi  Unnotched 10,000,000 Cycles
Fracture Toughness 75 MPa-m½ 68.3 ksi-in½  
Shear Modulus 44 GPa 6380 ksi  
Shear Strength 550 MPa 79800 psi  Ultimate shear strength
Electrical Properties
       
Electrical Resistivity 0.000178 ohm-cm 0.000178 ohm-cm  
Magnetic Permeability 1.00005 1.00005  at 1.6kA/m
Magnetic Susceptibility 3.30E-06 3.30E-06  cgs/g
Thermal Properties
       
CTE, linear 20°C 8.6 µm/m-°C 4.78 µin/in-°F  20-100ºC
CTE, linear 250°C 9.2 µm/m-°C 5.11 µin/in-°F  Average over the range 20-315ºC
CTE, linear 500°C 9.7 µm/m-°C 5.39 µin/in-°F  Average over the range 20-650ºC
Specific Heat Capacity 0.5263 J/g-°C 0.126 BTU/lb-°F  
Thermal Conductivity 6.7 W/m-K 46.5 BTU-in/hr-ft²-°F  
Melting Point 1604 - 1660 °C 2920 - 3020 °F  
Solidus 1604 °C 2920 °F  
Liquidus 1660 °C 3020 °F  
Beta Transus 980 °C 1800 °F  
 
Certifications

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Supply ASTM B338 Lightweight Desulfurization Equipment Grade 2 Titanium Tube

Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034)

Widely recognized as the industry standard, our Grade 2 Titanium Tube is unmatched in performance for industrial applications. Known for its exceptional blend of moderate strength and remarkable ductility, it excels in resisting corrosion in both intensely oxidizing and mildly reducing environments, including chlorides. This makes it an ideal choice for sectors such as chemical processing, offshore industries, and aircraft manufacturing, where both strength and formability are paramount. Additional applications include heat exchangers, hypochlorite systems, fire water systems, ballast water systems, and components for industrial, aerospace, and CPI equipment.

Fabrication

Titanium Grade 2 exhibits excellent formability, responding well to conventional cold-forming techniques. Machining this material requires precision; maintaining sharp tools and using ample coolant is essential. Similar to the machining of austenitic stainless steels, the process should involve deep, continuous cuts performed at slow speeds and feeds.

Stock Availability

Daxun Alloys maintains a robust inventory of CP 2 Grade Titanium, offering both Seamless and Welded Pipes in various sizes to meet diverse needs.

Weight Reduction

Our CP 2 Grade Titanium Tubes are distinguished by their low density and excellent strength-to-weight ratio. These properties make them ideal for applications where minimizing weight is critical without compromising on strength. They exhibit good cold formability and weldability using standard TIG and MIG processes, with the necessity of inert gas shielding to prevent embrittlement during welding.

Crystal Structure

At ambient temperature, ASTM B338 Grade 2 titanium tube features an alpha (hexagonal close-packed) crystal structure, similar to commercially pure titanium grades 1 and 3. Upon reaching approximately 885°C (1625°F), this structure transforms to a beta (body-centered cubic) form. The transformation temperature can vary based on impurities or added alloys, which also divide the equilibrium transformation temperature into two zones: the alpha zone (entirely alpha) and the beta zone (entirely beta). Between these temperatures, both alpha and beta phases coexist. For Grade 2 Titanium, typical transformation temperatures are 890°C (1635°F) for alpha and 913°C (1675°F) for beta.

Grade 2 Titanium Seamless Pipe Manufacturing Process

The production of Daxun's ASTM B338 Grade 2 titanium seamless tubes involves a rigorous process starting with hollow blanks created through hot extrusion or oblique rolling and piercing, followed by multiple cold rolling phases. Our seamless tubes maintain continuous perimeters throughout all manufacturing steps. The overall production chain includes sponge titanium vacuum arc melting, blanking, cleaning, cutting, hot extrusion or oblique rolling and piercing, degreasing, drying, cutting, online annealing, straightening, pickling, multiple cold rolling, vacuum annealing, final inspection, marking (DAXUN), and packaging.

Grade 2 Titanium Welded Pipe Manufacturing Process

Daxun's ASTM B338 Grade 2 titanium welded pipes are crafted from annealed flat-rolled steel plate or strip, utilizing the automatic arc welding (TIG) process. Key production stages 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. Each welded pipe undergoes at least one stress relief heat treatment post-formation and welding. Daxun ensures no filler materials are used during the welding process.

Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034)

This highly versatile Gr2 Titanium Tube is widely favored for industrial applications due to its exceptional balance of moderate strength and reasonable ductility. It excels in corrosion resistance under both highly oxidizing and slightly reducing environments, including chlorides. This makes it an ideal choice for the chemical and offshore industries, and aircraft manufacturing where strength and formability are crucial. Its applications further extend to heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and piping solutions.

Fabrication

Titanium Grade 2 is highly responsive to cold forming through standard methods. While it can be readily machined, it requires carefully maintained sharp tools and liberal use of coolant. Similar to machining austenitic stainless steels, the process demands deep and continuous cuts with slow feeds and speeds to ensure precision.

Stock Availability

Daxun Alloys stocks a wide range of CP 2 Grade Titanium Seamless and Welded Pipes in various sizes to meet diverse industrial needs.

Weight Reduction

With a low density and an impressive strength-to-weight ratio, CP 2 grade titanium tubes are perfect for applications requiring weight reduction without compromising strength. These tubes are cold formable, possess good ductility, and can be welded using conventional TIG and MIG processes, provided inert gas shielding is used to prevent weld zone embrittlement.

Crystal Structure

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. At approximately 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. The transformation temperature can be influenced by impurities or alloying additions, which also bifurcate the single transformation temperature into alpha and beta temperature zones. Below the alpha zone, the alloy is purely alpha, while above the beta zone, it is purely beta. Between these temperatures, 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 processes, followed by multiple cold rolling operations. Each stage ensures a continuous perimeter. The comprehensive manufacturing process includes: sponge titanium vacuum arc melting, ingot blanking, hollow blank preparation, cleaning, cutting, 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 pipes are produced from annealed flat-rolled steel plate or strip using an automated arc welding (TIG) process. The primary production steps 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. Welded pipes undergo at least one stress relief heat treatment post-formation and welding. Notably, Daxun uses filler materials during the welding process to ensure superior quality.

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

Titanium Alloy - (UNS R56400)
Introduction
DAXUN Ti-6Al-4V Titanium Tube, Grade 5 (UNS R56400) is the pinnacle of titanium alloys. This duplex alpha+beta titanium alloy harnesses aluminum and vanadium as stabilizers for alpha and beta phases, respectively. Renowned for its high strength, this alloy is effective even at sub-zero temperatures down to 800°F (427°C). ATI Ti-6Al-4V, Grade 5 is highly versatile-ideal for annealing, solution treating, and aging. Its applications are expansive: 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 paramount.
Initially, the alloy undergoes melting via vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). This is followed by one or two vacuum arc remelting steps, ensuring the highest purity and performance.
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 boasts a melting range from 2,800-3,000°F (1,538 - 1,649°C), making it exceptionally resilient.
Density: 0.160 lb/in³; 4.47 g/cm³, offering a balance of lightness and strength.
Beta Transus Temperature: 1830°F (± 25°); 999°C (± 14°), crucial for its high-temperature stability.

Heat Treatment

Annealed at 1,700-1,900°F (927 - 1,038°C) to achieve high hardness, tensile strength, and fatigue strength.
DAXUN 6-4 Grade 5 Titanium Tube is remarkably adaptable to various heat treatments.
1. Annealing: 1,275 -1,400°F; (691 - 760°C), ½ to 2 hours, air or furnace cool, for material stabilization.
2. Stress Relief Annealing: 1,000 -1,200°F; (538 - 649°C), 1 to 8 hours, air or furnace cool, for reducing internal stresses.
3. Solution Heat Treating: 1,675 -1,750°F; (913 - 954°C), 1 hour, water quench, for maximum toughness.
4. Aging: 975 -1,025°F; (524 - 552°C), 4 to 8 hours, air cool, to enhance mechanical properties.

Optimum Properties

Solution treated and aged conditions yield small cross-sections with rapid quenching, though larger sections or delayed quenching may compromise peak properties.

Hardness

Typical hardness: Rockwell C 30-34 when annealed, and Rockwell C 35-39 in the solution and aged condition, offering versatile application potential.

Forgeability/Formability

DAXUN Ti-6Al-4V Titanium Tube, Grade 5, is forged at 1,750°F (954°C) with final forging at 1,450°F (788°C). A reduction of at least 35% is advisable for optimum results.

Forming at room temperature, even when annealed, is challenging. Severe forming tasks like bending or stretching should be conducted on annealed materials at up to 1,200°F (649°C) to maintain mechanical integrity. Creep forming is ideal for hot sizing or forming between 1,000 and 1,200°F (538 to 649°C).

Machinability

The DAXUN Ti-6Al-4V Titanium Tube, known as the Grade 5 Titanium Tube, showcases impressive machinability. It can be processed using the same machining techniques as for austenitic stainless steels. To optimize performance, employ slow speeds, high feeds, and ensure robust tool rigidity, complemented by copious amounts of non-chlorinated cutting fluids for the best results.

Weldability

The DAXUN Ti-6Al-4V Titanium Tube, or Grade 5 Titanium Tube, offers excellent weldability in both annealed and solution, as well as partially aged conditions. The welding process can be further enhanced through post-weld heat treatment.

Special precautions are necessary to prevent contamination by oxygen, nitrogen, and hydrogen during welding. Fusion welding should ideally take place in an inert gas-filled chamber or use an inert gas tail shield to protect the molten metal and adjacent hot zones. Additionally, spot welding, seam welding, and flash welding can be performed effectively without the need for a protective atmosphere.

Special Considerations

It's crucial to consider that the DAXUN Ti-6Al-4V Titanium Tube, also known as Grade 5 Titanium Tube, can become contaminated with hydrogen due to improper pickling, or absorb oxygen, nitrogen, and carbon during processes like forging, heat treating, and brazing. Such contamination can significantly decrease ductility, as well as compromise notch sensitivity and formability.
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