• Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube

Type: Titanium Pipes
Application: Industrial, Medical
Technique: Hot Rolled
Grade: Gr2 Grade2
Shape: Round
Standards: Astmb861 B862 B338 ASME Sb861 Sb862 Sb338
Samples:
US$ 1/Piece 1 Piece(Min.Order)
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Customization:
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  • Overview
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  • FAQ
Overview

Basic Info.

Model NO.
Grade 2 titanium tube
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 Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical 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 Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube

Advanced Production: Titanium Welded Tube

Grade 2 Titanium Welded Tube: Our tubes boast a diameter range from 6.0mm to 1219mm and wall thicknesses between 0.3mm to 30mm, depending on the diameter. They can reach lengths up to 25000mm, made using Gr1 titanium tube. Crafted from flat rolled billets on electric tube welding machines, they feature automatic tungsten inert gas (argon) welding and are heat treated on the mill line. We conduct exhaustive mechanical tests, geometric measurements, 100% ultrasonic and eddy current testing, alongside pneumatic or hydrostatic testing, ensuring our tubes meet ASTM B 338 and ASME SB 338 specifications. Each tube is meticulously packaged to customer specifications, guaranteeing top-tier quality and performance.

 

Advanced Production: Titanium Seamless Pipe

  • Grade 2 Titanium Seamless Pipes: Our pipes are hot rolled or hot extruded, straightened, and precision-processed with inner and outer diameters, along with surface etching. Available in heat-treated or non-heat-treated forms, Daxun ensures 100% ultrasonic flaw detection for utmost reliability. Hot rolled pipe/hot extruded titanium seamless pipe ranges include: outer diameter 1.0mm to 325mm, wall thickness 0.3mm to 50mm, and lengths up to 12000mm. Cold rolled titanium seamless pipe is processed post-heat treatment, with surface etching, water pressure tests, or ultrasonic flaw detection, meeting stringent manufacturing specifications. Sizes range from an outer diameter of 6mm to 102mm, wall thickness of 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)
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
 
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube

Grade 2 Titanium Tube Features

Daxun's Grade 2 Titanium Tube exhibits medium strength and exceptional cold forming properties. It also offers superior welding capabilities and outstanding resistance to oxidation and corrosion.

  • High Strength Titanium Alloy
  • Excellent Cold Formability
  • Exceptional Weldability
  • Outstanding High Oxidation Resistance
  • We stock and sell a comprehensive 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 services of commercially pure titanium tubes.

Purchase Grade 2 Titanium Tubes from Daxun; we offer a diverse range of sizes, starting from 1.0 mm diameter. Our inventory includes a vast variety, available either directly from stock or custom-made to your specifications. We provide drawn, seamless rolled, or longitudinally welded tubes for various applications, adhering to standards like ASTM B 338, ASME SB 338, DIN, and VD TÜV.

Our CP Grade 2 tubes feature a density of 4.51 g/cm3, which is 45% lighter than ferrous alloys. It is a medium-strength alloy with a typical yield strength of 352 MPa. The alloy showcases excellent ductility, formability, and welding properties. The inclusion of iron and oxygen enhances its strength and formability. CP Grade 2 maintains excellent corrosion resistance similar to Grade 1 titanium under oxidizing conditions but offers greater strength.

Grade 2 Titanium Tubes combine commercial purity with a perfect balance of strength and ductility. Known for their remarkable toughness, they are the most commonly used titanium alloy due to high strength, weldability, and corrosion resistance. Their high ductility and formability make them ideal for piping systems, heat exchangers, reaction and pressure vessels, and flue gas desulfurization systems. Widely used in industries like chemical processing, petrochemical processing, aerospace, and marine, Grade 2 titanium alloys are a versatile choice for many applications.

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
Packaging & Shipping

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube
Company Profile

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube

Titanium Seamless Tubes
Daxun Produces:
Hot-Finished Titanium Tubes
Our high-quality tubes are expertly crafted through hot-rolling or hot-extrusion processes, then straightened, and meticulously machined for precise internal and external diameters. Each tube is polished to perfection and offered in both heat-treated and non-heat-treated forms. With our advanced 100% ultrasonic flaw detection capabilities, we guarantee unparalleled quality assurance.
Titanium Tube Materials Available:
Hot-Rolled Titanium Tubes: Diameter ranges from 19mm to 325mm, wall thickness spans 9mm to 30mm, and lengths up to 5000mm (negotiable). - Hot-Extruded Titanium Tubes: Diameter ranges from 50mm to 160mm, wall thickness spans 7mm to 35mm, and lengths up to 3000mm (negotiable).
Cold-Finished Titanium Tubes
Our precision Cold-Finished Titanium Tubes are available as heat-treated, surface-etched, and rigorously tested by hydrostatic or ultrasonic methods. Specifications include: Diameter ranges from 6mm to 89mm, wall thickness of 0.5mm to 11mm, and lengths up to 6000mm (negotiable).

Titanium Welded Pipes
DaXun proudly offers titanium pipes with diameters from 12.7mm to 38.1mm (0.47 in to 1.5 in), wall thicknesses from 0.4mm to 1.65mm (0.016 in to 0.065 in), and lengths reaching up to 25000mm. Our Grade 1, Grade 2, and Grade 12 titanium alloy pipes are engineered for the highest standards in the engineering and chemical industries. Manufactured from flat rolled material using automatic tungsten inert gas (argon) welding, these pipes undergo heat treatment on the mill line and rigorous testing, including mechanical, geometrical, 100% ultrasonic, eddy current, pneumatic, and hydrostatic testing. All pipes are meticulously packed to customer specifications, ensuring compliance with ASTM B 338 and ASME SB 338 standards.

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical 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 Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Spot Wholesale ASTM B338 Fatigue Resistance Pharmaceutical Grade 2 Titanium Tube

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

This Grade 2 titanium tube, the most commonly employed for industrial applications, strikes a remarkable balance between moderate strength and commendable ductility. It excels in corrosion resistance across both highly oxidising and mildly reducing environments, including chlorides. Ideal for the chemical and offshore sectors, as well as aircraft manufacturing, where both strength and formability are paramount, this tube is also prevalent in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, CPI equipment, and various industrial and aerospace components.

Fabrication

Titanium Grade 2 is highly responsive to cold forming via standard methods. It is readily machinable, though it requires careful attention to sharp tooling and liberal coolant usage. Similar to machining austenitic stainless steels, machining should be done with deep, continuous cuts at slow feeds and speeds.

Stock Availability

Daxun Alloys maintains an extensive stock of CP 2 Grade Titanium Seamless and Welded Pipes in a diverse range of sizes.

Weight Reduction

CP 2 grade titanium tubes boast low density coupled with a high strength-to-weight ratio, perfect for applications necessitating weight reduction without compromising strength. They are cold formable, exhibit excellent ductility, and are weldable using conventional TIG and MIG processes, though inert gas shielding is essential to prevent weld zone embrittlement.

Crystal Structure

At room temperature, ASTM B338 Grade 2 titanium tube features 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 vary based on impurities or alloying additions. Alloying elements bifurcate the equilibrium transformation temperature into the alpha zone (all alpha) and the beta zone (all beta). Between these zones, both alpha and beta forms coexist. Typical transformation temperatures for Grade 2 titanium are 890°C (1635°F) for alpha and 913°C (1675°F) for beta.

Grade 2 Titanium Seamless Pipe Manufacturing Process

Daxun's ASTM B338 Grade 2 titanium seamless tubes originate from hollow blanks produced through hot extrusion or oblique rolling and piercing processes, followed by multiple cold rolling stages. These tubes maintain continuous perimeters throughout all manufacturing stages. The process includes: titanium sponge vacuum arc melting, ingot blanking to obtain hollow blanks, cleaning, cutting, feeding, hot extrusion or oblique rolling plus 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 crafted from annealed flat-rolled steel plates or strips using an automatic TIG welding process. The production stages encompass: uncoiling titanium plates, 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 stress relief heat treatment post-formation and welding. Daxun refrains from using filler materials during welding.

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

The Grade 2 Titanium Seamless Tube, offered by Jiangsu Daxun Alloy Co., Ltd., is the quintessential choice for industrial applications, harmonizing moderate strength with impressive ductility. This remarkable tube excels in corrosion resistance, thriving in both highly oxidizing and slightly reducing environments, including chlorides. It is indispensable in the chemical and offshore sectors, as well as in aerospace manufacturing, where superior strength and formability are paramount. Additionally, it serves critical roles in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and piping solutions.

Fabrication

Titanium Grade 2 exhibits exceptional responsiveness to cold forming with conventional techniques. Machining this alloy is straightforward; however, it requires meticulous attention to tool sharpness and ample coolant use. Similar to machining austenitic stainless steels, the process demands deep and continuous cuts at slow feed rates and speeds.

Stock Availability

Jiangsu Daxun Alloy Co., Ltd. maintains an extensive inventory of CP 2 Grade Titanium Seamless and Welded Pipes, available in a versatile range of sizes to meet diverse industrial needs.

Weight Reduction

CP 2 Grade Titanium Tubes are characterized by their low density and high strength-to-weight ratio, making them ideal for weight-sensitive applications without compromising structural integrity. These tubes are cold formable, exhibit excellent ductility, and can be welded using standard TIG and MIG processes, with inert gas shielding to avoid weld zone embrittlement.

Crystal Structure

At room temperature, ASTM B338 Grade 2 titanium tube possesses an alpha (hexagonal close-packed) crystal structure, akin to commercially pure titanium grades 1 and 3. At approximately 885°C (1625°F), it transitions to a beta (body-centered cubic) structure. This transformation temperature can be modulated by the presence of impurities or alloying elements, which also delineate two distinct temperature zones: the alpha transformation zone (entirely alpha below this zone) and the beta transformation zone (entirely beta above this zone). 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

At Jiangsu Daxun Alloy Co., Ltd., ASTM B338 Grade 2 titanium seamless tubes are meticulously crafted from hollow blanks via hot extrusion or oblique rolling and piercing, followed by successive cold rolling stages. The seamless tubes maintain continuous perimeters throughout the manufacturing process. The production stages include: 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 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 crafted from annealed flat-rolled steel plate or steel strip using an automated arc welding (TIG) process. The primary production steps encompass: 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. Each welded pipe undergoes at least one stress relief heat treatment post-forming and welding. Daxun ensures that no filler materials are used during the welding process.

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 popular titanium alloy in the market. This versatile duplex alpha+beta titanium alloy utilizes aluminum to stabilize the alpha phase and vanadium to stabilize the beta phase. Renowned for its high strength, this alloy performs exceptionally even at low temperatures around 800°F (427°C). The ATI Ti-6Al-4V, Grade 5 alloy finds extensive use in applications requiring annealing, solution treating, and aging. Key applications include compressor blades, disks, and rings for jet engines; fuselage and space capsule components; pressure vessels; *** cases; helicopter rotor hubs; fasteners; and high-strength-to-weight ratio critical forgings.
Initially, the alloy undergoes melting through advanced techniques such as vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). The remelting process is executed in one or two steps using vacuum arc technology.
Specifications
• ASTM B338 - Standard for Heat Treatable Titanium Tubes
• AMS 4928 - Specifications for Forgings and Forging Stock (Annealed)
• AMS 4965 - Specifications for Forgings (Solution Treated and Aged)
• AMS 4967 - Specifications for 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 requiring high hardness, tensile strength, and fatigue strength, the material is annealed at 1,700-1,900°F (927 - 1,038°C).
DAXUN 6-4 Grade 5 Titanium Tube can be subjected to various heat treatments.
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: Conducted at 1,000 -1,200°F (538 - 649°C) for 1 to 8 hours, followed by air or furnace cooling.
3. Solution Heat Treating: Conducted at 1,675 -1,750°F (913 - 954°C) for 1 hour, followed by water quenching.
4. Aging: Conducted at 975 -1,025°F (524 - 552°C) for 4 to 8 hours, followed by air cooling.

Optimum Properties

Optimal properties are achieved with small cross sections and rapid quenching in the solution-treated and aged condition. Larger cross sections or delayed quenching may result in suboptimal properties.

Hardness

The typical hardness in the annealed condition is Rockwell C 30-34. In the solution-treated and aged condition, the hardness ranges around Rockwell C 35-39.

Forgeability/Formability

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

DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube exhibits difficulty in forming at room temperature, even when annealed. Severe forming operations, such as bending or stretching, should be performed on the annealed material at temperatures up to 1,200°F (649°C) to maintain mechanical properties. Creep forming is suitable for hot sizing or forming at temperatures ranging from 1,000 to 1,200°F (538 to 649°C).

Exceptional Machinability

The DAXUN Ti-6Al-4V Titanium Tube, also known as Grade 5 Titanium Tube, boasts remarkable machinability. It can be expertly machined using techniques designed for austenitic stainless steels. Employing slow speeds, high feeds, and ensuring robust tool rigidity, along with generous amounts of non-chlorinated cutting fluids, ensures precise and efficient machining.

Superior Weldability

The DAXUN Ti-6Al-4V Titanium Tube, or Grade 5 Titanium Tube, is highly weldable in both annealed and solution-treated conditions, as well as partially aged states.

Post-weld heat treatment brings about the aging process. To maintain the integrity of the weld, strict measures must be taken to prevent contamination by oxygen, nitrogen, and hydrogen. Fusion welding can be performed within an inert gas-filled chamber or by using an inert gas tail shield to protect the molten metal and adjacent hot zones. Additionally, spot welding, seam welding, and flash welding can be carried out without requiring a protective atmosphere.

Critical Special Considerations

The DAXUN Ti-6Al-4V Titanium Tube, known as Grade 5 Titanium Tube, is susceptible to hydrogen contamination from improper pickling practices and from absorbing oxygen, nitrogen, and carbon during processes such as forging, heat treating, and brazing. This contamination can significantly reduce ductility and negatively impact notch sensitivity and formability. Therefore, utmost caution must be exercised to avoid these risks.
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10000000 RMB
Management System Certification
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, HSE, ISO 14064, QC 080000, GMP, BSCI, BRC, SA 8000, QHSE, HACCP, ISO 13485, EICC, ANSI/ESD, SEDEX, ISO 22000, AIB, WRAP, GAP,ISO 29001, HQE, IFS
OEM/ODM Availability
Yes