Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment 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 Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
  • Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical 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

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical 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

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube

Advanced Production Techniques: Titanium Welded Tube

Grade 2 Titanium Welded Tube: Our tubes boast diameters ranging from 6.0mm to 1219mm, with wall thicknesses from 0.3mm to 30mm, and lengths up to 25000mm. Crafted from Gr1 titanium, these welded tubes are meticulously formed from flat rolled billets using state-of-the-art electric tube welding machines. The welding process employs automatic tungsten inert gas (argon) welding, followed by heat treatment right on the mill line. Every tube undergoes rigorous mechanical tests, precise geometric measurements, and exhaustive 100% ultrasonic and eddy current testing. Finally, pneumatic or hydrostatic testing ensures durability before the product is packaged to meet customer specifications. Our manufacturing prowess and cutting-edge inspection and testing equipment guarantee that our thin wall welded tubes meet ASTM B 338 and ASME SB 338 standards.

 

Innovative Production Processes: Titanium Seamless Pipe

  • Grade 2 Titanium Seamless Pipes are produced via hot rolling or hot extrusion, followed by straightening and precise inner and outer diameter processing. Surface etching ensures superior finish. These pipes can be delivered in heat-treated or non-heat-treated forms, with 100% ultrasonic flaw detection by Daxun. For hot rolled/extruded pipes, we offer outer diameters from 1.0mm to 325mm, wall thicknesses from 0.3mm to 50mm, and lengths up to 12000mm. Our cold rolled seamless pipes, post heat treatment and surface etching, undergo rigorous water pressure tests or ultrasonic flaw detection. They are available in outer diameters from 6mm to 102mm, wall thicknesses from 0.5mm to 20mm, and lengths up to 9000mm.
    (Specifications agreed upon by the manufacturer and customer based on particular requirements)
Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
 
Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube

Standout Features of Grade 2 Titanium Tube

Daxun's Grade 2 Titanium Tube excels with medium strength and remarkable cold forming capabilities. It offers superb welding characteristics and outstanding resistance to oxidation and corrosion.

  • Robust and Durable Titanium Alloy
  • Exceptional Cold Forming Capabilities
  • Superior Weldability
  • Outstanding High Oxidation Resistance
  • In stock and ready for immediate delivery: Grade 2 Titanium Tube, Titanium Welded Tube, Titanium Seamless Tube, Pipe Fittings, and Forged Seamless Tube.
 

Globally Renowned for Our Expertise in Commercially Pure Titanium Tubes Fabrication

Purchase Grade 2 Titanium Tubes from Daxun, your gateway to a vast array of sizes starting from a 1.0mm diameter. We cater to diverse needs, offering stock options and custom-made solutions. Instantly access drawn, seamless, rolled, or longitudinally welded tubes for various applications. Our products, available as welded or seamless tubes, adhere to premium standards such as ASTM B 338, ASME SB 338, DIN, and VD TÜV.

Our CP Grade 2 Tubes feature a density of 4.51 g/cm3, a notable 45% lighter than ferrous alloys. This medium-strength alloy presents a typical yield strength of 352 MPa, coupled with excellent ductility, formability, and welding properties. The integration of iron and oxygen enhances both strength and formability. With performance qualities akin to Grade 1, CP Grade 2 excels under oxidizing conditions with superior corrosion resistance, offering greater strength than Grade 1 titanium tubes.

Grade 2 Titanium Tubes, characterized by commercially pure titanium, strike a perfect balance between strength and ductility. Renowned for its toughness, it stands as the go-to titanium alloy for its high strength, weldability, and corrosion resistance. Its exceptional ductility and formability make it ideal for piping systems, heat exchangers, reaction and pressure vessels, and flue gas desulfurization systems. This versatile alloy finds application across numerous industries, including chemical and petrochemical processing, aerospace, and marine sectors.

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
Packaging & Shipping

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube
Company Profile

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube

Titanium Seamless Tubes
At Jiangsu Daxun Alloy Co., Ltd., we pride ourselves on producing:
Premium Hot-Finished Titanium Tubes
Our hot-finished titanium tubes are meticulously crafted and supplied in hot-rolled or hot-extruded forms. Each tube is straightened, machined to precise inside and outside diameters, and surface polished to perfection. Available in both heat-treated and non-heat-treated forms, these tubes undergo rigorous 100% ultrasonic flaw detection, ensuring unmatched quality and reliability.
Diverse Range of Titanium Tube Materials Available:
Hot-Rolled Titanium Tubes: - Outer Diameter (OD): 19mm to 325mm - Wall Thickness: 9mm to 30mm - Length: Up to 5000mm (customized per agreement). Hot-Extruded Titanium Tubes: - OD: 50mm to 160mm - Wall Thickness: 7mm to 35mm - Length: Up to 3000mm (customized per agreement).
Superior Cold-Finished Titanium Tubes
Our cold-finished titanium tubes are expertly supplied in heat-treated, surface-etched forms and can be hydrostatically or ultrasonically tested, adhering to stringent manufacturing specifications. Available Sizes: - OD: 6mm to 89mm - Wall Thickness: 0.5mm to 11mm - Length: Up to 6000mm (customized per agreement).

High-Precision Titanium Welded Pipes
At DaXun, we manufacture and supply titanium pipes ranging from 100 mm to 12.7 mm in diameter, with wall thicknesses from 0.4 mm to 1.65 mm, and lengths up to 25000 mm. Designed for engineering and chemical industries, these pipes, available in Gr1, Gr2, and Gr12 titanium alloys, are produced using state-of-the-art tungsten inert gas (argon) welding and heat-treated on the mill line. Each pipe undergoes comprehensive mechanical testing, dimensional checks, 100% ultrasonic and eddy current inspection, and pneumatic or hydrostatic testing. All pipes comply with ASTM B 338 and ASME SB 338 standards and are packaged according to customer specifications.

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical 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

Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium TubeGr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Procurement AMS 4942 High Temperature Resistance Chemical Equipment Grade 2 Titanium Tube

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

This highly versatile titanium tube is the industry standard for countless applications, striking a perfect balance between moderate strength and excellent ductility. Renowned for its outstanding corrosion resistance, it performs superbly in both highly oxidizing and slightly reducing environments, including those containing chlorides. This makes it an ideal choice for chemical and offshore industries, as well as aircraft manufacturing where both strength and formability are crucial. Furthermore, 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 is highly responsive to cold forming using standard techniques. It is easily machinable, though it demands careful attention to tool sharpness and generous application of coolant. Similar to machining austenitic stainless steels, deep and continuous cuts with slow feeds and speeds yield the best results.

Stock Availability

Daxun Alloys maintains an extensive inventory of CP 2 Grade Titanium Seamless and Welded Pipes in various dimensions to meet diverse application needs.

Weight Reduction

With a low density and a high strength-to-weight ratio, CP 2 grade titanium tubes are perfect for applications demanding weight reduction without compromising strength. They are cold formable, exhibit good ductility, and are compatible with conventional TIG and MIG welding processes, though inert gas shielding is essential to prevent embrittlement in the weld zone.

Crystal Structure

At ambient temperature, ASTM B338 Grade 2 titanium tube boasts an alpha (hexagonal close-packed) crystal structure, akin to commercially pure titanium grades 1 and 3. On heating to around 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. This transformation temperature can vary based on the type and concentration of impurities or alloying elements. The introduction of alloying elements also divides the single equilibrium transformation temperature into two distinct zones: the alpha transformation zone (below which the alloy remains alpha) and the beta transformation zone (above which the alloy becomes beta). Between these temperatures, both alpha and beta phases 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 using either hot extrusion or oblique rolling and piercing processes, followed by multiple cold rolling stages. At every step of the manufacturing process, the tubes maintain continuous perimeters. The comprehensive manufacturing process for these tubes includes: sponge titanium vacuum arc melting, blanking to obtain hollow blanks, cleaning, cutting and feeding, hot extrusion or oblique rolling + 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 using annealed flat-rolled steel plates or strips via an automatic arc welding (TIG) process. The main manufacturing 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. All welded pipes undergo stress relief heat treatment after forming and welding. No filler materials are used during Daxun's welding process.

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

Introducing the ultimate solution for industrial applications: our High-Quality Grade 2 Titanium Seamless Tube ASTM B338. This premium titanium tube offers an unparalleled balance of moderate strength and exceptional ductility. Renowned for its superior corrosion resistance, it excels in both highly oxidizing and slightly reducing environments, making it an indispensable asset in industries such as chemical processing and offshore operations. Its versatility extends to aircraft manufacturing, where strength and formability are paramount. Ideal for heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and piping, this titanium tube stands as a testament to advanced engineering and reliability.

Fabrication

Titanium Grade 2 sets the standard for cold forming efficiency, responding exceptionally well using conventional methods. Machining this material is straightforward; however, maintaining sharp tools and applying ample coolant is crucial. Similar to machining austenitic stainless steels, it requires deep, continuous cuts with slow feed rates and speeds to achieve optimal results.

Stock Availability

Daxun Alloys maintains a robust inventory of CP 2 Grade Titanium Seamless and Welded Pipes in diverse sizes, ensuring we can meet your specific requirements with expedient delivery.

Weight Reduction

The CP 2 grade titanium tubes boast a remarkable strength-to-weight ratio, coupled with low density, making them ideal for applications demanding weight reduction without compromising strength. Cold formable and exhibiting excellent ductility, these tubes can be welded using standard TIG and MIG processes, provided appropriate inert gas shielding to prevent embrittlement in the weld area.

Crystal Structure

At ambient temperature, ASTM B338 Grade 2 titanium tube features an alpha (hexagonal close-packed) crystal structure, 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 may vary with the introduction of alloying elements or impurities, creating distinct alpha and beta transformation zones. Notably, 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 Grade 2 titanium seamless tubes, conforming to ASTM B338 standards, are meticulously crafted using hollow blanks through hot extrusion or oblique rolling and piercing, followed by multiple cold rolling stages. Each step ensures a continuous perimeter, from the initial vacuum arc melting of sponge titanium to final inspection and packaging. The comprehensive process includes cleaning, cutting, hot extrusion, or oblique rolling, multiple cold rolling, degreasing, drying, vacuum annealing, straightening, pickling, and rigorous final inspection, marking (DAXUN), and packaging.

Grade 2 Titanium Welded Pipe Manufacturing Process

Daxun's Grade 2 titanium welded pipes, adhering to ASTM B338, are produced using annealed flat-rolled steel plates or strips with precise automatic arc welding (TIG) techniques. The production process encompasses uncoiling, shearing, butt welding, cleaning, pipe forming, TIG welding, pre-sizing, annealing, precision reducing, and sizing, followed by straightening, eddy current testing, cutting, ultrasonic and hydrostatic testing, final inspection, and packaging. Each welded pipe undergoes a stress relief heat treatment post-welding to ensure structural integrity.

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 out as the most sought-after titanium alloy. This duplex alpha+beta alloy ingeniously employs aluminum as the alpha stabilizer and vanadium as the beta stabilizer, ensuring robust performance even at low temperatures of around 800°F (427°C). ATI Ti-6Al-4V, Grade 5 is meticulously crafted for annealing, solution treating, and aging processes. Its applications are vast, including compressor blades, disks, and rings for jet engines; fuselage and space capsule components; pressure vessels; *** cases; helicopter rotor hubs; fasteners; and critical forgings, all benefiting from its unparalleled strength-to-weight ratio.
Initially melted using advanced techniques such as vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM), this alloy undergoes remelting in one or two vacuum arc steps for enhanced 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

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 can undergo a variety of heat treatments.
1. Annealing: 1,275 -1,400°F (691 - 760°C), ½ to 2 hours, air or furnace cool
2. Stress Relief Annealing: 1,000 -1,200°F (538 - 649°C), 1 to 8 hours, air or furnace cool
3. Solution Heat Treating: 1,675 -1,750°F (913 - 954°C), 1 hour, water quench
4. Aging: 975 -1,025°F (524 - 552°C), 4 to 8 hours - air cool

Optimum Properties

The finest properties are achieved with small cross-sections and rapid quenching in the solution treated and aged condition. Larger cross-section sizes or delayed quenching may yield suboptimal properties.

Hardness

Typical hardness in the annealed state is Rockwell C 30-34, while the solution and aged condition exhibit Rockwell C 35-39.

Forgeability/Formability

DAXUN Ti-6Al-4V Titanium Tube, Grade 5 is 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.

Despite its robustness, DAXUN Ti-6Al-4V Titanium Tube, Grade 5 is challenging to form at room temperature, even when annealed. However, severe forming operations such as bending or stretching can be performed on the annealed material at temperatures up to 1,200°F (649°C) without altering its mechanical properties. Creep forming is ideal for hot sizing or forming at temperatures ranging from 1,000 to 1,200°F (538 to 649°C).

Machinability

Experience the superior performance of the DAXUN Ti-6Al-4V Titanium Tube, also known as the Grade 5 Titanium Tube. Expertly crafted to be machined with the precision techniques used for austenitic stainless steels, this high-grade titanium tube excels under slow speeds and high feeds. Benefit from its exceptional tool rigidity and the use of generous amounts of non-chlorinated cutting fluids, ensuring peak efficiency and durability.

Weldability

The DAXUN Ti-6Al-4V Titanium Tube, a premier Grade 5 Titanium Tube, boasts excellent weldability whether in annealed, solution-treated, or partially aged conditions. It stands out as a versatile solution for various applications, with aging processes seamlessly integrated during post-weld heat treatment.

To achieve superior welds, precautions are crucial to prevent contamination from oxygen, nitrogen, and hydrogen. Fusion welding can be expertly performed in an inert gas-chamber or with an inert gas tail shield covering the molten metal and adjacent hot zones. Spot welding, seam welding, and flash welding are equally effective without needing a protective atmosphere, ensuring flexibility and reliability in welding processes.

Special Considerations

When working with the DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube, it is essential to avoid contamination that could occur from improper pickling or the absorption of oxygen, nitrogen, and carbon during forging, heat treatment, or brazing. Such contamination can compromise ductility and adversely affect notch sensitivity and formability, hence meticulous handling and processing are crucial.
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