Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube

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Customization: Available
Type: Titanium Pipes
Application: Industrial, Medical
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  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field 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

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field 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

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube

Advanced Production: Titanium Welded Tube

Grade 2 Titanium Welded Tube: Diameter ranges from 6.0mm to 1219mm, wall thickness ranges from 0.3mm to 30mm (depending on diameter), lengths up to 25000mm, made from Gr1 titanium tube. These welded tubes are crafted from flat rolled billets (tube blanks) on state-of-the-art electric tube welding machines utilizing automatic tungsten inert gas (argon) welding. Each tube is heat treated on the mill line to ensure top-notch quality. Comprehensive mechanical tests, geometric measurements, and rigorous 100% ultrasonic and eddy current testing are carried out, followed by pneumatic or hydrostatic testing before the finished titanium welded tubes are meticulously packaged as per customer specifications. Our manufacturing technology, combined with advanced inspection and testing equipment, ensures that our thin wall welded tubes meet ASTM B 338 and ASME SB 338 specifications.

 

Advanced Production: Titanium Seamless Pipe

  • Grade 2 Titanium Seamless Pipes are meticulously hot rolled or hot extruded, straightened, and processed to perfection. Each pipe undergoes thorough inner and outer diameter processing and surface etching. Available in both heat-treated and non-heat-treated forms, Daxun employs 100% ultrasonic flaw detection for assured quality. Hot rolled/hot extruded titanium seamless pipes come in outer diameters ranging from 1.0mm to 325mm, wall thicknesses from 0.3mm to 50mm, and lengths up to 12000mm. Cold rolled titanium seamless pipes, processed and heat-treated, are surface etched and subjected to water pressure testing or ultrasonic flaw detection as per manufacturing specifications, with outer diameters from 6mm to 102mm, wall thicknesses from 0.5mm to 20mm, and lengths up to 9000mm.
    (The above is agreed upon by the manufacturer and the customer based on the specific situation)
Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
 
Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube

Grade 2 Titanium Tube Features

Daxun's Grade 2 Titanium Tube boasts medium strength and superior cold forming properties. It excels in welding and presents outstanding resistance to oxidation and corrosion, making it a reliable choice for numerous applications.

  • High Strength Titanium Alloy
  • Exceptional Cold Formability
  • Top-Notch Weldability
  • Outstanding High Oxidation Resistance
  • We stock and sell this superior Grade 2 Titanium Tube, Titanium Welded Tube, Titanium Seamless Tube, Pipe Fittings, and Forged Seamless Tube.
 

A Global Leader in Commercially Pure Titanium Tubes Fabrication Services

Purchase Grade 2 Titanium Tubes from Daxun; we offer an extensive range of sizes, starting from a 1.0mm diameter, available in various forms, either directly from stock or custom-made to your specifications. We can instantly provide drawn, seamless rolled or longitudinally welded tubes for diverse applications. We supply welded or seamless tubes made of Grade 2 Titanium adhering to typical heat exchanger specifications such as ASTM B 338, ASME SB 338, DIN, and VD TÜV.

Our commercially pure (CP) Grade 2 tubes feature a density of 4.51 g/cm3, which is 45% lighter than ferrous alloys. This medium-strength alloy has a typical yield strength of 352 MPa, combined with excellent ductility, formability, and welding properties. The addition of iron and oxygen enhances strength and formability. CP Grade 2 provides similar performance to Grade 1, with exceptional corrosion resistance under oxidizing conditions, while offering greater strength than Grade 1 titanium tubes.

Grade 2 Titanium Tubes are commercially pure titanium, striking a perfect balance between strength and ductility. The material demonstrates remarkable toughness and is the most commonly utilized titanium alloy due to its high strength, excellent weldability, and superior corrosion resistance. Its high ductility and formability make it an ideal choice for piping systems, heat exchangers, reaction and pressure vessels, and flue gas desulfurization systems. Grade 2 titanium alloys find extensive use across various industries, including chemical processing, petrochemical processing, aerospace, and marine sectors.

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
Packaging & Shipping

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube
Company Profile

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube

Titanium Seamless Tubes
Daxun produces:
Hot-finished Titanium Tubes
Our hot-finished titanium tubes are meticulously crafted through hot-rolling or hot-extrusion processes, followed by straightening and precise machining of both interior and exterior diameters, finished with a polished surface. Available in both heat-treated and non-heat-treated forms, each tube undergoes rigorous 100% ultrasonic flaw detection to ensure the highest quality.
Titanium Tube Materials Available:
For Hot-rolled Titanium Tubes, we offer sizes ranging from an outer diameter of 19mm to 325mm, with wall thicknesses from 9mm to 30mm, and lengths up to 5000mm. For Hot-extruded Titanium Tubes, our dimensions range from an outer diameter of 50mm to 160mm, wall thicknesses from 7mm to 35mm, and lengths up to 3000mm. All dimensions are customizable based on agreement between the manufacturer and the customer.
Cold-finished Titanium Tubes
Our cold-finished titanium tubes are provided in heat-treated, surface-etched conditions and undergo comprehensive testing, including hydrostatic and ultrasonic, based on the required manufacturing specifications. We offer tubes with diameters from 6mm to 89mm, wall thicknesses ranging from 0.5mm to 11mm, and lengths up to 6000mm, all customizable per customer agreements.

Titanium Welded Pipes
DaXun specializes in manufacturing and supplying premium titanium welded pipes with diameters ranging from 12.7 mm to 38.1 mm (0.47 in to 1.5 in), wall thicknesses from 0.4 to 1.65 mm (0.016 in to 0.065 in), and lengths up to 25000 mm. These pipes are crafted from flat rolled raw material (kelp) using advanced automatic tungsten inert gas welding and are heat-treated on the production line. Each welded pipe undergoes stringent mechanical testing, precise geometrical measurements, 100% ultrasonic and eddy current testing, and either pneumatic or hydrostatic testing. Our titanium welded pipes conform to the highest ASTM B 338 and ASME SB 338 standards, ensuring reliability for applications in engineering and chemical industries. We also offer custom packaging per customer specifications.

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field 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

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Quotation ASTM B338 High Temperature Resistance Nuclear Power Field Grade 2 Titanium Tube

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

Grade 2 Titanium Tube: The Industrial Standard of Excellence This highly versatile titanium tube is your go-to solution for a wide range of industrial applications. Engineered to perfection, it strikes an ideal balance between moderate strength and exceptional ductility. Renowned for its superior corrosion resistance, it excels in both highly oxidizing and mildly reducing environments, including chlorides. Whether you're looking for durable components in chemical processing, offshore industries, or aerospace manufacturing, this titanium tube delivers. Its robustness and ease of forming make it a staple in heat exchangers, hypochlorite and fire water systems, ballast water systems, CPI equipment, and more.

Fabrication

Ease of Fabrication: Titanium Grade 2 Titanium Grade 2 tubes respond exceptionally well to cold forming using standard methods. While machining, maintaining sharp tools and liberal use of coolant is essential. Similar to machining austenitic stainless steels, the process involves deep and continuous cuts with slow feeds and speeds, ensuring precision and quality.

Stock Availability

Reliable Stock Availability with Daxun Alloys Daxun Alloys maintains a robust inventory of CP 2 Grade Titanium Seamless and Welded Pipes in various sizes, ensuring quick and reliable supply to meet your project needs.

Weight Reduction

Optimize Performance with CP 2 Grade Titanium Tubes Boasting a remarkable strength-to-weight ratio, CP 2 grade titanium tubes are perfect for applications where weight reduction is crucial without compromising strength. These tubes are cold formable, exhibit good ductility, and can be welded using conventional TIG and MIG processes. Inert gas shielding is critical to prevent embrittlement of the weld zone, ensuring the integrity of your assemblies.

Crystal Structure

Intricate Crystal Structure of ASTM B338 Grade 2 Titanium Tube At room temperature, this titanium tube features an alpha (hexagonal close-packed) crystal structure. Upon heating to about 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. The transformation temperature can vary based on impurities or alloying elements, dividing the equilibrium transformation into distinct alpha and beta temperature zones. For Grade 2 titanium, typical alpha and beta transformation temperatures are 890°C (1635°F) and 913°C (1675°F), respectively. This dual-phase nature allows for a versatile range of applications and performance characteristics.

Grade 2 Titanium Seamless Pipe Manufacturing Process

Advanced Manufacturing of Daxun's ASTM B338 Grade 2 Titanium Seamless Tubes At Daxun, our seamless tubes are meticulously crafted from hollow blanks using cutting-edge hot extrusion or oblique rolling and piercing processes, followed by multiple cold rolling stages. Throughout production, continuous perimeters are maintained, ensuring seamless integrity. Our comprehensive process spans from sponge titanium vacuum arc melting and ingot blanking to cutting, hot extrusion, degreasing, drying, annealing, straightening, and final inspection. Each tube is marked with 'DAXUN' and undergoes stringent final checks before packaging, guaranteeing top-tier quality.

Grade 2 Titanium Welded Pipe Manufacturing Process

Precision-Engineered Grade 2 Titanium Welded Pipes by Daxun Our Grade 2 titanium welded pipes are produced from annealed flat-rolled steel using an automatic arc welding (TIG) process. The meticulous production process encompasses uncoiling, shearing, butt welding, cleaning, pipe forming, TIG welding, multiple testing phases, annealing, sizing, straightening, and final inspection. Notably, stress relief heat treatment is applied post-forming and welding to ensure optimal performance. Each pipe is subjected to rigorous ultrasonic and hydrostatic tests before final marking and packaging, ensuring that you receive only the highest quality products.

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

Our Gr2 Titanium Welded Tube, as per ASTM B338 and ASME Sb861 Sb862 standards, stands as the industry benchmark for a multitude of industrial applications. This titanium tube showcases an impeccable balance of moderate strength and admirable ductility. It exhibits outstanding corrosion resistance in highly oxidizing and slightly reducing environments, including chlorides. Its superior corrosion protection makes it indispensable in the chemical and offshore sectors, as well as in the manufacture of aircraft, where both robustness and ease of forming are paramount. Furthermore, this versatile tube is extensively employed in 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 using conventional techniques. It is easily machinable, yet it demands meticulous attention to sharp tool maintenance and generous coolant application. Similar to austenitic stainless steels machining, the cuts should be deep and continuous, with slower feed rates and speeds.

Stock Availability

Jiangsu Daxun Alloy Co., Ltd. takes pride in maintaining a comprehensive stock of CP 2 Grade Titanium Seamless and Welded Pipes in a wide range of sizes to meet diverse customer needs.

Weight Reduction

CP 2 grade titanium tubes are renowned for their low density and exceptional strength-to-weight ratio, making them ideal for applications requiring significant weight reduction without compromising strength. These tubes are cold formable, exhibit good ductility, and can be seamlessly welded using conventional TIG and MIG processes. However, it is crucial to employ inert gas shielding to prevent weld zone embrittlement.

Crystal Structure

At ambient temperatures, ASTM B338 Grade 2 titanium tube boasts an alpha (hexagonal close-packed) crystal structure, 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 can be adjusted depending on impurities or alloying additions. Alloy elements bifurcate the singular equilibrium transformation temperature into two distinct zones: the alpha transformation zone, culminating in an all-alpha alloy, and the beta transformation zone, resulting in an all-beta alloy. Between these temperatures, both alpha and beta phases coexist. Typical transformation temperatures for Grade 2 titanium are 890°C (1635°F) and 913°C (1675°F).

Grade 2 Titanium Seamless Pipe Manufacturing Process

Daxun's premium ASTM B338 Grade 2 titanium seamless tubes are meticulously crafted from hollow blanks using the hot extrusion process or the oblique rolling and piercing method, followed by multiple cold rolling steps. Throughout manufacturing, maintaining continuous perimeters is imperative. The seamless tube production process encompasses: sponge titanium vacuum arc melting, ingot blanking to hollow blanks, cleaning, cutting and feeding, hot extrusion or oblique rolling with 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 fabricated from annealed flat-rolled steel plates or strips using the advanced automatic arc welding (TIG) process. 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-formation and welding, welded pipes undergo mandatory stress relief heat treatment to ensure optimal performance. No filler materials are introduced during the welding process at Daxun.

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 premier titanium alloy, celebrated for its remarkable versatility and strength. This duplex alpha+beta titanium alloy ingeniously incorporates aluminum as the alpha stabilizer and vanadium as the beta stabilizer. Engineered to deliver high performance, it thrives even at low temperatures around 800°F (427°C). ATI Ti-6Al-4V, Grade 5 is perfected through annealing, solution treating, and aging. This exceptional alloy is the backbone of critical applications such as compressor blades, disks, and rings in jet engines, structural components in fuselages and space capsules, pressure vessels, *** cases, helicopter rotor hubs, fasteners, and high-strength forgings.
The initial melting of this alloy is executed using advanced techniques like vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). Subsequent remelting processes typically involve one or two steps of vacuum arc remelting, ensuring the highest material purity and quality.
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 strength, the alloy is annealed at temperatures between 1,700-1,900°F (927 - 1,038°C).
DAXUN 6-4 Grade 5 Titanium Tube offers versatile heat treatment options to achieve desired properties.
1. Annealing: 1,275 -1,400°F (691 - 760°C) for ½ to 2 hours, followed by air or furnace cooling.
2. Stress Relief Annealing: 1,000 -1,200°F (538 - 649°C) for 1 to 8 hours, followed by air or furnace cooling.
3. Solution Heat Treating: 1,675 -1,750°F (913 - 954°C) for 1 hour, followed by water quenching.
4. Aging: 975 -1,025°F (524 - 552°C) for 4 to 8 hours, followed by air cooling.

Optimum Properties

To achieve optimal properties, small cross sections require rapid quenching in the solution-treated and aged condition. Larger cross-sectional sizes or delayed quenching might yield less than optimal properties.

Hardness

In the annealed state, the typical hardness ranges from Rockwell C 30-34, while in the solution-treated and aged condition, it ranges from Rockwell C 35-39.

Forgeability/Formability

DAXUN Ti-6Al-4V Titanium Tube, Grade 5 is optimally forged at 1,750°F (954°C), with the final forging temperature set at 1,450°F (788°C). For best results, a reduction of at least 35% is recommended.

While DAXUN Ti-6Al-4V Titanium Tube, Grade 5 is challenging to form at room temperature, even when annealed, severe forming operations like bending or stretching can be performed on annealed material at temperatures up to 1,200°F (649°C) without compromising its mechanical properties. Additionally, creep forming at temperatures ranging from 1,000 to 1,200°F (538 to 649°C) can be employed for hot sizing or forming.

Machinability

DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube is highly machinable using techniques suitable for austenitic stainless steels. For optimal results, employ slow speeds, high feeds, and ensure robust tool rigidity. Utilize copious amounts of non-chlorinated cutting fluids to achieve precision and maintain tool longevity.

Weldability

DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube offers excellent weldability whether in annealed or solution and partially aged conditions. The welding process is further enhanced with aging, ensuring robust and reliable joints.

Accomplishment during post-weld heat treatment is crucial, requiring meticulous precautions to prevent contamination by oxygen, nitrogen, and hydrogen. Fusion welding can be effectively performed in an inert gas-filled chamber or by using an inert gas tail shield over the molten metal and adjacent hot zones. Additionally, spot welding, seam welding, and flash welding can be achieved without a protective atmosphere, ensuring versatility in various welding applications.

Special Considerations

DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube necessitates special precautions to prevent contamination with hydrogen, especially from improper pickling, and from absorbing oxygen, nitrogen, and carbon during processes such as forging, heat treating, and brazing. Contamination can significantly reduce ductility and impair properties such as notch sensitivity and formability, which are essential for high-performance applications.
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