


Gr1 Gr2 Gr5 Gr7 Gr9 Gr12 6al-4V 3al-2.5V Titanium pipe & Tubes Specification | ASTM B338 / ASTM B861 / ASTM B862 / ASME SB338 / ASME SB861 / ASME SB862 |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Grades | Commercially pure titanium Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Type | ot Rolled / Cold Drawn / Welded / ERW |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Outer Diameter Size | Titanium seamless pipe - φ1.0mm to φ508.3mm |
Titanium welded pipe - φ1.0mm to φ1219mm | |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Wall Thickness | 1.0mm-50mm (customizable wall thickness) |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V 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 Gr1 Gr2 Gr5 Gr7 Gr9 Gr12 6al-4V 3al-2.5V | 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. |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Pipe Ends | Plain Ends / Beveled Ends |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Delivery Conditions | As Rolled, Cold Drawn, Hot Finish, Stress Relieved, Annealed, Hardened, Tempered |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V 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. |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V Titanium pipe & Tubes Packaging | Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
Gr1 Gr2 Gr5 Gr7 Gr9 Gr12 6al-4V 3al-2.5V 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 |
Gr1 Gr2 Gr5 6AL-4V 3AL-2.5V 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 |



Advanced Production: Titanium Seamless Pipe
- Titanium seamless tubes by Jiangsu Daxun Alloy Co., Ltd. undergo meticulous processes including hot rolling or hot extrusion, straightening, precise inner and outer diameter adjustments, and surface etching. These tubes can be provided in either heat-treated or non-heat-treated forms, ensuring versatility to meet your needs. Our facility boasts 100% ultrasonic testing capabilities, ensuring the highest product integrity. Specifications for hot rolled/hot extruded titanium seamless tubes include: outer diameter ranging from 1.0 mm to 325 mm, wall thickness from 0.3 mm to 50 mm, and lengths up to 12000 mm. For cold rolled titanium seamless tubes, we offer post-heat treatment, surface etching, hydrostatic testing, or ultrasonic inspection as per manufacturing specifications, with outer diameters from 6 mm to 102 mm, wall thickness from 0.5 mm to 20 mm, and lengths up to 9000 mm.
- (Specifications subject to mutual agreement between manufacturer and customer based on specific requirements)
Applications and Standards
Titanium Grade 1 Pipes and Tubing by Jiangsu Daxun Alloy Co., Ltd. are highly suitable for use in extremely corrosive environments across various industries:
- Our Grade 1 titanium pipes and tubes excel in chemical processing applications such as heat exchangers, reaction vessels, evaporators, and delivery pipelines. They are also ideal for automotive exhaust systems, oil and gas industry applications, petrochemical and chemical plants, industrial machinery, power industry, paper and pulp industry, food processing industry, refineries, and pharmaceutical equipment.
- Specifications: ASTM B861, B862, B338 / ASME SB861, SB862, SB338
Standard: ASTM, ASME, and API


Quality, Delivery, Inspection
At Jiangsu Daxun Alloy Co., Ltd., we conduct comprehensive quality assurance tests including flattening, flaring, ultrasonic flaw detection, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These rigorous tests ensure the suitability and reliability of our Grade 1 Titanium Welded and Seamless Pipes for your specific applications. Throughout production, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery time is 5-7 days, while special size products are delivered within 15-20 days.
- Our delivery timelines strictly adhere to the contractual agreements.
- We support third-party inspection visits to our factory.
- Free samples available for customer testing.
- On-site or video factory inspections are available.



Chemical Composition of (Ti 6AL-4V) Grade 5 Titanium Tube
Chemical Composition: | |||
Symbol | Element | Min % | Max % |
Al | Aluminum | 5.50% | 6.75% |
V | Vanadium | 3.50% | 4.50% |
Fe | Iron | 0.30% | |
O | Oxygen | 0.20% | |
C | Carbon | 0.08% | |
N | Nitrogen | 0.05% | |
H | Hydrogen | 0.01% | |
Y | Yttrium | 0.01% | |
Other, each | 0.10% | ||
Other, total | 0.40% | ||
Ti | Titanium | Remainder |
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 % |
Chemical Composition of Grade 2 Titanium Tube
Element | Weight % |
C | ≤0.08 |
O | ≤0.25 |
N | ≤0.03 |
H | ≤0.015 |
Fe | ≤0.30 |
*OEE | ≤0.10 |
*OET | ≤0.40 |
Ti | Remaining |
Mechanical Properties of Grade 2 Titanium Tube
Alloy | UNS Designation | Spec. | Tensile Strength (min.) | Yield Strength 0.2% Offset (min.) | Elongation in 2 inches (min.) | Max Hardness | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ft2-h-°F) | ||||
psi | MPa | ksi | psi | MPa | ksi | % | |||||||
Grade 2 Titanium | R50400 | B338 | 50,000 | -345 | 50 | 40,000- | (276-448) | 40-65 | 20 | - | 16 | 5.1 | 144 |
50,000 |
Element | Minimum (weight %) | Maximum (weight %) | Typical (weight %) |
Fe | 0.2 | ||
O | 0.18 | ||
C | 0.08 | ||
N | 0.03 | ||
H | 0.015 | ||
Ti | Balance |
Density | |
lb/in3 | g/cm3 |
0.163 | 4.51 |
Tensile Strength | |
ksi | MPa |
35 min | 240 min |
Yield Strength | |
ksi | MPa |
20 min | 138 min |
Hardness | |
70 HRC max | |
Elongation | |
24% min |
Element | Minimum (weight %) | Maximum (weight %) | Typical (weight %) |
---|---|---|---|
Al | 2.5 | 3.5 | |
V | 2.0 | 3.0 | |
Fe | 0.25 | ||
O | 0.15 | ||
C | 0.08 | ||
N | 0.03 | ||
H | 0.015 | ||
Ti | Balance |







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 |




Daxun Alloy's Pure Titanium Grade 1 Tubes Include:
Our seamless and welded titanium tubes exhibit exceptional ductility and cold formability, making them perfect for deep drawing applications. Renowned for their general and seawater corrosion resistance, Grade 1 titanium tubes offer superior resistance to oxidizing, neutral, and slightly reducing environments, including chlorides.
With a low density-approximately half that of nickel-based alloys-titanium boasts high strength, light weight, and remarkable corrosion resistance, making it the ideal choice for various harsh chemical conditions. Our products adhere to standards such as ASTM B338, ASTM B265, ASME SB265, ASTM F67, ISO 5832-2, 3.7025, and UNS R50250.
Grade 2 Titanium Tube (UNS R50400 / Werkstoff WS 3.7034)
Widely used in industrial applications, this titanium tube offers an exceptional balance of moderate strength and excellent ductility. It provides outstanding corrosion resistance in highly oxidizing and slightly reducing environments, including chlorides. Its robust corrosion protection is essential for the chemical and offshore industries, aircraft manufacturing, heat exchangers, hypochlorite systems, fire water systems, ballast water systems, industrial and aerospace components, CPI equipment, and pipelines.
Fabrication
Stock Availability
Weight Reduction
Crystal Structure
Grade 2 Titanium Seamless Pipe Manufacturing Process
Grade 2 Titanium Welded Pipe Manufacturing Process
Experience the superior craftsmanship of Daxun's ASTM B338 Grade 2 titanium welded pipe, meticulously manufactured from annealed flat-rolled steel plate or steel strip using cutting-edge automatic arc welding (TIG) technology. The comprehensive production process includes meticulous steps such as titanium plate uncoiling, shearing, butt welding, cleaning, pipe forming, TIG welding, eddy current testing, pre-sizing, annealing, precision reducing, sizing, straightening, caliper marking, cutting, ultrasonic testing, hydrostatic testing, final inspection, and packaging. To ensure unparalleled quality, each welded pipe undergoes a mandatory stress relief heat treatment post welding and forming. Daxun guarantees no use of filler materials during the welding process, ensuring the integrity and purity of our pipes.Introducing the superior Ti-6Al-4V Titanium Pipe, also known as Grade 5 Titanium Tube - a hallmark of high-performance engineering.
Unveil the exceptional Titanium Alloy - (UNS R56400), designed for the most demanding applications.
Introduction
Discover the unmatched DAXUN Ti-6Al-4V Titanium Tube, Grade 5 (UNS R56400), revered as the most popular titanium alloy. This duplex alpha+beta titanium alloy, fortified with aluminum as the alpha stabilizer and vanadium as the beta stabilizer, exhibits exceptional strength and versatility. Capable of withstanding low temperatures up to 800°F (427°C), the ATI Ti-6Al-4V, Grade 5 alloy is ideal for processes such as annealing, solution treating, and aging. Its applications span across high-stakes sectors, including jet engine compressor blades, disks, rings, fuselage components, space capsule elements, pressure vessels, *** cases, helicopter rotor hubs, fasteners, and critical forgings, where a high strength-to-weight ratio is paramount.
Our exceptional titanium alloy is initially melted using advanced technologies such as vacuum arc (VAR), electron beam (EB), or plasma arc hearth melting (PAM). The remelting process is meticulously executed in one or two vacuum arc steps to ensure premium quality.
Specifications
• ASTM B338 - Standard Heat Treatable Titanium Tube, a benchmark in engineering excellence.
• AMS 4928 - Premium Forgings and Forging Stock, expertly annealed for superior performance.
• AMS 4965 - High-Performance Forgings, solution treated and aged to perfection.
• AMS 4967 - Precision Forgings, annealed and heat treatable for optimal results.
Physical Properties
Ti-6Al-4V Titanium Tube Boasts an Impressive Melting Range: 2,800-3,000°F (1,538 - 1,649°C) for advanced applications.
Density: A remarkable 0.160 lb/in3; 4.47 g/cm3, ensuring lightweight yet durable performance.
Beta Transus Temperature: Precisely 1830°F (± 25°); 999°C (± 14°) for reliable thermal stability.
Heat Treatment
For applications demanding high hardness, tensile strength, and fatigue strength, our Grade 5 titanium tube is expertly annealed at temperatures between 1,700-1,900°F (927 - 1,038°C).
The versatile DAXUN 6-4 Grade 5 Titanium Tube can be subjected to a variety of advanced heat treatment processes tailored to specific application needs.
1. Annealing: A meticulous process 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, with air or furnace cooling to achieve optimal stress reduction.
3. Solution Heat Treating: Executed at 1,675-1,750°F (913-954°C) for 1 hour, followed by a rapid water quench to lock in properties.
4. Aging: Performed at 975-1,025°F (524-552°C) for 4 to 8 hours, with air cooling to achieve peak mechanical properties.
Optimum Properties
Achieve optimal properties with our solution treated and aged titanium tubes, especially with small cross sections and rapid quenching. Note that larger cross-section sizes and/or delayed quenching may yield less than optimal properties.
Hardness
Experience typical hardness values of Rockwell C 30-34 in the annealed condition and an enhanced Rockwell C 35-39 in the solution treated and aged condition, ensuring durability and performance.
Forgeability/Formability
Discover the unparalleled strength and resilience of the DAXUN Ti-6Al-4V Titanium Tube, Grade 5. Expertly forged at an impressive 1,750°F (954°C) with final touches at 1,450°F (788°C), this titanium tube maximizes performance with a recommended reduction of at least 35% for optimal results.
Maximize your forming operations with the DAXUN Ti-6Al-4V Titanium Tube, Grade 5. While challenging to form at room temperature, even when annealed, this titanium marvel shines in severe bending or stretching operations at up to 1,200°F (649°C). Enjoy the advantages of creep forming for hot sizing or precision forming within the 1,000 to 1,200°F (538 to 649°C) range, all without compromising mechanical properties.
Machinability
Experience the premium machinability of the DAXUN Ti-6Al-4V Titanium Tube, Grade 5. Comparable to austenitic stainless steels, this titanium tube requires slow speeds, high feeds, and robust tool rigidity. Enhance your machining process with abundant non-chlorinated cutting fluids for best results.
Weldability
The DAXUN Ti-6Al-4V Titanium Tube, Grade 5 offers exceptional weldability, whether in the annealed state or after solution and partial aging treatments. Discover seamless welding with aging achieved during post-weld heat treatment.
Ensure the highest quality welds with the DAXUN Ti-6Al-4V Titanium Tube. Take precautions to prevent contamination from oxygen, nitrogen, and hydrogen. Perform fusion welding in an inert gas-filled chamber, or use an inert gas tail shield over the molten metal and adjacent hot zones. Spot welding, seam welding, and flash welding are all achievable without a protective atmosphere.
Special Considerations
When working with the DAXUN Ti-6Al-4V Titanium Tube, Grade 5, be aware of potential contamination risks. Improper pickling or absorption of oxygen, nitrogen, and carbon during processes like forging, heat treating, or brazing may lead to hydrogen contamination. This can reduce ductility and affect notch sensitivity and formability, so handle with care.