Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System 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 Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
  • Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System 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 Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System 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
 
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Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube

Innovative Manufacturing: Titanium Welded Tube

Grade 2 Titanium Welded Tube: Available in diameters ranging from 6.0mm to 1219mm, and wall thicknesses from 0.3mm to 30mm (varying with diameter), with lengths up to 25000mm. Crafted from Gr1 titanium tube, these welded tubes are produced from flat rolled billets on state-of-the-art electric tube welding machines, utilizing automatic tungsten inert gas (argon) welding, and are heat treated inline. Rigorous mechanical tests, precise geometric measurements, comprehensive ultrasonic and eddy current testing, along with pneumatic or hydrostatic tests, ensure every titanium welded tube meets customer specifications. Our advanced manufacturing technologies and top-tier inspection equipment guarantee compliance with ASTM B 338 and ASME SB 338 standards, particularly for thin-wall welded tubes.

 

Pioneering Production: Titanium Seamless Pipe

  • Grade 2 titanium seamless pipes are meticulously hot rolled or extruded, straightened, and finely processed for both inner and outer diameters with surface etching. Available in both heat-treated and non-heat-treated forms, our seamless pipes are subjected to 100% ultrasonic flaw detection. Hot rolled/extruded titanium seamless pipes boast an outer diameter range of 1.0mm to 325mm, wall thickness from 0.3mm to 50mm, and lengths up to 12000mm. Our cold rolled titanium seamless pipes, processed post-heat treatment, undergo surface etching, water pressure testing, or ultrasonic flaw detection, with outer diameters from 6mm to 102mm, wall thicknesses from 0.5mm to 20mm, and lengths up to 9000mm.
    (Specifications are mutually agreed upon by the manufacturer and customer, tailored to specific requirements)
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
 
Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube

Features of Grade 2 Titanium Tube

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

  • High-Strength Titanium Alloy
  • Exceptional Cold Formability
  • Superior Weldability
  • Outstanding High Oxidation Resistance
  • We stock and sell a variety of Grade 2 Titanium Tubes, including Titanium Welded Tubes, Titanium Seamless Tubes, Pipe Fittings, and Forged Seamless Tubes.
 

A Global Leader in Commercial Pure Titanium Tubes Fabrication Services

Purchase Grade 2 Titanium Tubes from Daxun; we offer an extensive range of diameters starting from 1.0mm, available either directly from stock or custom made to your specifications. We can promptly supply drawn, seamless rolled, or longitudinally welded tubes for various applications from stock. Our welded or seamless tubes meet typical specifications for heat exchangers, 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, which is 45% lighter than ferrous alloys. This medium-strength alloy exhibits a typical yield strength of 352 MPa, excellent ductility, formability, and welding properties. The inclusion of iron and oxygen enhances its strength and formability. CP Grade 2 performs similarly to Grade 1 in terms of corrosion resistance under oxidizing conditions but offers greater strength.

Grade 2 Titanium Tubes are commercially pure titanium, providing an ideal balance of strength and ductility. Renowned for its exceptional toughness, it is the most widely used titanium alloy due to its superior strength, weldability, and corrosion resistance. Its high ductility and formability make it the preferred choice for piping systems, heat exchangers, reaction and pressure vessels, and flue gas desulfurization systems. Grade 2 titanium alloys are integral to industries such as chemical processing, petrochemical processing, aerospace, and marine.

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
Packaging & Shipping

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube
Company Profile

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System 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. Each tube is straightened, with precisely machined internal and external diameters, and surface polished to perfection. Available in both heat-treated and non-heat-treated forms, our tubes undergo rigorous 100% ultrasonic flaw detection to ensure superior quality.
Titanium Tube Materials Available:
Hot-rolled Titanium Tubes: Outer Diameter (OD) ranges from 19mm to 325mm, wall thickness between 9mm to 30mm, and lengths extending up to 5000mm (dimensions can be customized upon mutual agreement). - Hot-extruded Titanium Tubes: OD spans from 50mm to 160mm, wall thickness from 7mm to 35mm, and lengths up to 3000mm (customizable as per agreement).
Cold-finished Titanium Tubes
Our cold-finished titanium tubes are available in heat-treated forms, with surface-etched finishes. They undergo stringent hydrostatic and ultrasonic testing to meet exact manufacturing specifications. Available sizes include:- Outer Diameter (OD) from 6mm to 89mm, wall thickness from 0.5mm to 11mm, and lengths up to 6000mm (customization available upon mutual agreement).

Titanium Welded Pipes
DaXun specializes in manufacturing high-quality titanium welded pipes with diameters ranging from 12.7mm to 38.1mm (0.47 in to 1.5 in), wall thickness from 0.4mm to 1.65mm (0.016 in to 0.065 in). These pipes, available up to lengths of 25000mm, are made with precision from flat rolled raw material using automatic tungsten inert gas (argon) welding. Heat-treated on the mill line, our pipes undergo comprehensive mechanical testing, geometric measurements, and 100% ultrasonic and eddy current testing. We also perform pneumatic or hydrostatic testing to ensure compliance with ASTM B 338, ASME SB 338 standards. Each pipe is meticulously packed to meet specific customer requirements.

Cp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System 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 Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium TubeCp Gr2 Titanium Tube Titanium Welded Pipe Titanium Seamless Tube Supplier ASME Sb-338 Corrosion Resistance Drainage System Grade 2 Titanium Tube

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

This is the most often used titanium tube for industrial applications, providing a superb balance of moderate strength and reasonable ductility. It offers excellent corrosion resistance in both highly oxidising and slightly reducing conditions (including chlorides). It provides exceptional corrosion protection in the chemical and offshore industries, as well as aircraft manufacture, where strength and ease of forming are critical. It's also utilized in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and pipes.

Fabrication

Titanium Grade 2 responds excellently to cold forming using standard methods. It can be readily machined, but meticulous attention must be paid to maintaining sharp tools and the liberal use of coolant. As with machining austenitic stainless steels, cuts should be deep and continuous with slow feeds and speeds.

Stock Availability

Daxun Alloys stocks CP 2 Grade Titanium Seamless and Welded Pipes in a variety of sizes.

Weight Reduction

CP 2 grade titanium tubes have low density and a high strength-to-weight ratio, making them ideal for applications where weight reduction is crucial without sacrificing overall strength. They are cold formable, have excellent ductility, and can be welded using conventional TIG and MIG processes, although inert gas shielding is required to prevent embrittlement of the weld zone.

Crystal Structure

At room temperature, ASTM B338 Grade 2 titanium tube exhibits an alpha (hexagonal close-packed) crystal structure, similar to commercially pure titanium grades 1 and 3. At approximately 885°C [1625°F], it transforms to a beta (body-centered cubic) structure. This transformation temperature can be altered depending on the type and amount of impurities or alloying additions. The inclusion of alloying elements also divides the single temperature of the equilibrium transformation into two temperature zones: the alpha transformation zone, below which the alloy is all alpha, and the beta transformation zone, above which the alloy is all beta. Between these two temperatures, both alpha and beta forms coexist. Typical alpha and beta transformation temperatures for grade 2 titanium 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 manufactured from hollow blanks through a hot extrusion process or an oblique rolling and piercing process, followed by multiple cold rolling processes. Titanium seamless tubes should have continuous perimeters at all stages of the manufacturing operation. The de novo manufacturing process includes: sponge titanium vacuum arc melting, ingot blanking to obtain hollow blanks, cleaning, cutting and feeding, hot extrusion or oblique rolling + 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 produced from annealed flat-rolled steel plate or steel strip using an automatic arc welding (TIG) process. The main production processes include: uncoiling titanium plate, 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 after forming and welding. Daxun does not use any filler materials during the welding process.

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

This titanium tube stands as the industry's go-to choice for its unparalleled balance of moderate strength and impressive ductility. Engineered for top-tier performance, it provides outstanding corrosion resistance in both highly oxidizing and mildly reducing environments, including those with chlorides. This makes it a prime candidate for chemical and offshore applications, as well as aircraft manufacturing-where strength and formability are paramount. It's also extensively used in heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and various piping applications.

Fabrication

Titanium Grade 2 is exceptionally responsive to cold forming using standard methods. While it can be easily machined, it demands meticulous attention to tool sharpness and liberal coolant usage. Similar to machining austenitic stainless steels, operations should involve deep, continuous cuts with slow feeds and speeds to ensure precision and longevity.

Stock Availability

Daxun Alloys proudly stocks CP 2 Grade Titanium Seamless and Welded Pipes in an extensive range of sizes to meet diverse requirements.

Weight Reduction

CP 2 grade titanium tubes are renowned for their low density and high strength-to-weight ratio, making them ideal for applications necessitating weight reduction without compromising strength. These tubes are cold formable, exhibit excellent ductility, and can be welded using standard TIG and MIG processes. However, inert gas shielding is essential to prevent weld zone embrittlement.

Crystal Structure

At ambient temperatures, ASTM B338 Grade 2 titanium tubes boast an alpha (hexagonal close-packed) crystal structure, akin to commercially pure titanium grades 1 and 3. At approximately 885°C (1625°F), they transition to a beta (body-centered cubic) structure. This transformation temperature can vary based on the impurities or alloying elements present. Alloying additions further segment the equilibrium transformation into two temperature zones: the alpha transformation zone, below which the alloy remains all alpha, and the beta transformation zone, above which the alloy is entirely beta. Between these zones, both alpha and beta forms coexist. For Grade 2 titanium, typical alpha and beta transformation temperatures are around 890°C (1635°F) and 913°C (1675°F), respectively.

Grade 2 Titanium Seamless Pipe Manufacturing Process

Daxun's ASTM B338 Grade 2 titanium seamless tubes are meticulously crafted from hollow blanks through either hot extrusion or oblique rolling and piercing processes, followed by multiple cold rolling stages. The tube manufacturing process ensures continuous perimeters at every stage. Comprehensive steps include: sponge titanium vacuum arc melting, ingot blanking to form hollow blanks, cleaning, cutting and feeding, hot extrusion or oblique rolling and piercing, degreasing, drying, cutting, online annealing and straightening, pickling, multiple cold rolling stages, 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 manufactured from annealed flat-rolled plate or steel strip using an 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. Welded pipes undergo at least one stress relief heat treatment post-forming and welding. Daxun ensures 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 as the most favored titanium alloy in the industry. This superior duplex alpha+beta titanium alloy utilizes aluminum as the alpha stabilizer and vanadium as the beta stabilizer, demonstrating exceptional high-strength characteristics. It is highly versatile, being capable of functioning at low temperatures around 800°F (427°C). The ATI Ti-6Al-4V, Grade 5 alloy excels in processes such as annealing, solution treating, and aging. Its extensive application range includes compressor blades, disks, and rings for jet engines, components for fuselages and space capsules, pressure vessels, *** cases, helicopter rotor hubs, fasteners, and other critical forgings which demand a high strength-to-weight ratio.
The alloy's production begins with initial melting through advanced methods such as vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). The remelting process is meticulously carried out in one or two vacuum arc steps, ensuring impeccable quality and consistency.
Specifications
• ASTE 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 of 2,800-3,000°F (1,538 - 1,649°C), providing substantial thermal endurance.
Density: 0.160 lb/in³; 4.47 g/cm³, making it both lightweight and robust.
Beta Transus Temperature: 1830°F (± 25°); 999°C (± 14°), critical for phase transformation.

Heat Treatment

When optimal hardness, tensile strength, and fatigue strength are essential, the alloy is annealed at 1,700-1,900°F (927 - 1,038°C).
DAXUN 6-4 Grade 5 Titanium Tube offers diverse heat treatment options to meet specific requirements.
1. Annealing: 1,275 -1,400°F (691 - 760°C) for ½ to 2 hours, cooled by air or furnace.
2. Stress Relief Annealing: 1,000 -1,200°F (538 - 649°C) for 1 to 8 hours, cooled by air or furnace.
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, then air cooled.

Optimum Properties

Rapid quenching of small cross sections yields the solution-treated and aged condition. Conversely, larger cross-section sizes or delayed quenching may result in suboptimal properties.

Hardness

Typical hardness ranges from Rockwell C 30-34 in the annealed condition to approximately Rockwell C 35-39 in the solution and aged condition, ensuring robust performance.

Forgeability/Formability

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

Despite its high strength, DAXUN Ti-6Al-4V Titanium Tube, Grade 5 is challenging to form at room temperature, even when annealed. For severe forming operations like bending or stretching, annealed material can be processed at temperatures up to 1,200°F (649°C) without altering its mechanical properties. Creep forming is an effective method for hot sizing or forming at temperatures ranging from 1,000 to 1,200°F (538 to 649°C).

Machinability

Discover the precision of DAXUN Ti-6Al-4V Titanium Tubes, otherwise known as Grade 5 Titanium Tubes. These tubes can be intricately machined using techniques designed for austenitic stainless steels. With precision in mind, these methods involve slow speeds, high feeds, and exceptional tool rigidity, all while utilizing significant quantities of non-chlorinated cutting fluids. The result? Superior performance and reliability.

Weldability: Ensuring Seamless Integration

The DAXUN Ti-6Al-4V Titanium Tube, Grade 5 Titanium Tube stands out with its excellent weldability. Whether in an annealed state or a solution and partially aged condition, these tubes are designed to be readily weldable, offering flexibility and durability in diverse applications.

Post-weld heat treatment enables the aging process, ensuring optimal performance. It is crucial, however, to prevent contamination from oxygen, nitrogen, and hydrogen. Fusion welding is best performed in an inert gas-filled chamber or with an inert gas tail shield over the molten metal and adjacent hot zones. Additionally, spot welding, seam welding, and flash welding can be carried out without a protective atmosphere, ensuring adaptability in various manufacturing processes.

Special Considerations: Quality at Every Step

When dealing with DAXUN Ti-6Al-4V Titanium Tubes, Grade 5 Titanium Tubes, be mindful of potential contamination. Hydrogen contamination can occur from improper pickling, while oxygen, nitrogen, and carbon absorption may happen during forging, heat treating, and brazing. Such contamination can reduce ductility and adversely affect notch sensitivity and formability. Vigilance in these areas ensures maintaining the high quality and performance standards expected of DAXUN products.
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