Titanium and Alloys
About Us
Yitech is mainly engaged in the production and sales of tungsten alloy, molybdenum alloy, tungsten carbide, PVD/CVD sputtering target, titanium alloy, zirconium, Iridium, beryllium, Stellite alloy and rare earth metal products.
Why Choose Us
Competitive Pricing
We offer competitive pricing for our services without compromising on quality. Our prices are transparent, and we do not believe in hidden charges or fees.
Quality Assurance
We have a rigorous quality assurance process in place to ensure that all our services meet the highest standards of quality. Our team of quality analysts checks each project thoroughly before it is delivered to the client.
Best After Service
Provide professional installation and training. Detailed operation manual and video for customer installation. Any problems will be solved within 24 hours. Broken parts will be sent to customer by air during guarantee period.
Customization Services
We understand that each customer's requirements are unique, and thus, we provide customization services. We are very glad to closely collaborate with customers, understand their specific needs, and provide tailored solutions accordingly.
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Titanium Square RodTitanium square rods are square-section rods made of pure titanium or titanium alloys. They offer excellent properties such as light weight, high strength, corrosion resistance, and...read more
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OEM Titanium Alloy Casting High Pressure TurbineThe OEM titanium alloy casting high-pressure turbine is integrally cast from Ti-6Al-4V vacuum melting, with precision-cast blades and five-axis precision milling of hubs. It has a dynamic balance...read more
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5 Axis CNC Machining Titanium Alloy Machining Parts Turbine5 axis CNC machining titanium alloy turbine parts uses Ti-6Al-4V rods as a whole, forming complex blade profiles and cooling holes in one step. The dimensional tolerance is ±0.01 mm, and the...read more
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ASTM F136 Titanium Body Piercing BallThe ASTM F136 titanium body piercing ball is precision-carved from implant-grade titanium alloy in a silver-gray matte finish. It is available in three styles: 2–8 mm solid, internally threaded,...read more
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ASTM F136 Titanium Internally Threaded Piercing BarbellThe ASTM F136 Titanium Internally Threaded Piercing Barbell is precision-carved from implant-grade titanium alloy in a silver-gray matte finish. Available in straight or slightly curved bars, it...read more
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F136 Titanium O Ring BallThe F136 Titanium O Ring Ball is a silver-gray microsphere made from ASTM G23 grade Ti-6Al-4V ELI titanium alloy. The 1.5 mm one-way channel in the center of the sphere is mirror-polished and can...read more
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Pipe Fittings Titanium Alloy FlangesPipe Fittings Titanium Alloy Flange is a flange component made of titanium alloy for pipe connection. Pipe Fittings Titanium Alloy Flange has the characteristics of high strength, corrosion...read more
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OEM Titanium Weld Neck FlangeOEM Titanium Weld Neck Flange is a flange connecting component with a long neck structure customized for original equipment manufacturers (OEMs) using titanium materials and manufactured by...read more
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Durable CNC Lathe Machining Titanium FlangesDurable CNC Lathe Machining Titanium Flange is a titanium alloy flange product that uses high-precision processing technology of CNC lathes, with high strength, corrosion resistance and good...read more
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Customized Precision Titanium Flat FlangeCustomized precision titanium planar flange is a flange connecting component made of titanium material with a high-precision planar structure according to specific needs.read more
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CNC Machining Titanium Bolts Nuts FastenersCNC Machining Titanium Bolts Nuts Fasteners are high-performance connectors that are precisely manufactured using computer numerical control technology. CNC Machining Titanium Bolts Nuts Fasteners...read more
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ISO Certificate M12 M14 Gr2 Titanium FastenerISO Certificate M12 M14 Gr2 Titanium Fasteners meet international quality standards and are corrosion-resistant, lightweight and high-strength, making them suitable for high-end manufacturing...read more
What is Titanium Seamless Pipe
Titanium seamless pipe is a kind of long strip pipe made of titanium or titanium alloy material with hollow section and no seam around. At first, it was mainly used to make aircraft engine compressor parts and structural parts of rockets, missiles and high-speed aircraft.
Seamless Titanium Pipes Have Superior Strength
One of the significant advantages of seamless titanium pipes is their unmatched strength. Unlike welded pipes, seamless pipes are formed from a single piece of metal, making them more robust and more resistant to fatigue. This property of seamless titanium pipes makes them ideal for high-pressure applications because they can withstand significant stress without bending or breaking.
Seamless Titanium Pipes are Corrosion-resistant
The second crucial property of seamless titanium pipes is their remarkable corrosion resistance. Titanium has an oxide layer that forms on its surface when exposed to air and water, protecting it from corrosion. This oxide layer makes titanium pipes perfect for use in harsh environmental conditions, where conventional pipes would corrode or rust.
Seamless Titanium Pipes are Light-weight
Seamless pipes made of titanium are significantly lighter than their steel counterparts. This makes them ideal for use in applications where weight is a concern. Weight reduction can be beneficial in various fields, such as aerospace, automotive, and shipbuilding industries, where lower fuel consumption is a primary consideration.
Seamless Titanium Pipes offer Cost Savings
Though the initial cost of a titanium pipe may be more than that of a steel pipe, the durability and resilience of titanium can lead to long-term savings. This is because titanium pipes can last much longer than steel pipes, which may have to be replaced frequently due to corrosion or wear and tear. By investing in seamless titanium pipes, companies can save money by reducing costs associated with repairs and
replacements.
Seamless Titanium Pipes are Environmentally Friendly
Titanium pipes are environmentally friendly, as they are recyclable. It is increasingly important to use sustainable materials that can reduce the overall environmental impact of a particular industry. Since titanium is 100% recyclable, it can be reused without loss of quality, thereby reducing the need for virgin materials.
Titanium Pipe Sizing Standards
| NPS | DN | OD[in (mm)] | Wall thickness[in (mm)] | |||||||
| SCH 5 | SCH 10s / 10 | SCH 30 | SCH 40s / 40 / STD | SCH 80s / 80 / XS | SCH 120 | SCH 160 | XXS | |||
| ⅛ | 6 | 0.405 (10.29) | 0.035 (0.889) | 0.049 (1.245) | 0.057 (1.448) | 0.068 (1.727) | 0.095 (2.413) | — | — | — |
| ¼ | 8 | 0.540 (13.72) | 0.049 (1.245) | 0.065 (1.651) | 0.073 (1.854) | 0.088 (2.235) | 0.119 (3.023) | — | — | — |
| ⅜ | 10 | 0.675 (17.15) | 0.049 (1.245) | 0.065 (1.651) | 0.073 (1.854) | 0.091 (2.311) | 0.126 (3.200) | — | — | — |
| ½ | 15 | 0.840 (21.34) | 0.065 (1.651) | 0.083 (2.108) | 0.095 (2.413) | 0.109 (2.769) | 0.147 (3.734) | — | 0.188 (4.775) | 0.294 (7.468) |
| ¾ | 20 | 1.050 (26.67) | 0.065 (1.651) | 0.083 (2.108) | 0.095 (2.413) | 0.113 (2.870) | 0.154 (3.912) | — | 0.219 (5.563) | 0.308 (7.823) |
| 1 | 25 | 1.315 (33.40) | 0.065 (1.651) | 0.109 (2.769) | 0.114 (2.896) | 0.133 (3.378) | 0.179 (4.547) | — | 0.250 (6.350) | 0.358 (9.093) |
| 1¼ | 32 | 1.660 (42.16) | 0.065 (1.651) | 0.109 (2.769) | 0.117 (2.972) | 0.140 (3.556) | 0.191 (4.851) | — | 0.250 (6.350) | 0.382 (9.703) |
| 1½ | 40 | 1.900 (48.26) | 0.065 (1.651) | 0.109 (2.769) | 0.125 (3.175) | 0.145 (3.683) | 0.200 (5.080) | — | 0.281 (7.137) | 0.400 (10.160) |
| 2 | 50 | 2.375 (60.33) | 0.065 (1.651) | 0.109 (2.769) | 0.125 (3.175) | 0.154 (3.912) | 0.218 (5.537) | 0.250 (6.350) | 0.343 (8.712) | 0.436 (11.074) |
| 2½ | 65 | 2.875 (73.03) | 0.083 (2.108) | 0.120 (3.048) | 0.188 (4.775) | 0.203 (5.156) | 0.276 (7.010) | 0.300 (7.620) | 0.375 (9.525) | 0.552 (14.021) |
| 3 | 80 | 3.500 (88.90) | 0.083 (2.108) | 0.120 (3.048) | 0.188 (4.775) | 0.216 (5.486) | 0.300 (7.620) | 0.350 (8.890) | 0.438 (11.125) | 0.600 (15.240) |
| 3½ | 90 | 4.000 (101.60) | 0.083 (2.108) | 0.120 (3.048) | 0.188 (4.775) | 0.226 (5.740) | 0.318 (8.077) | — | — | 0.636 (16.154) |
| NPS[5] | DN | OD | Wall thickness | |||||||||||
| [2] | [in (mm)] | [in (mm)] | ||||||||||||
| SCH 5 | SCH 10s/10 | SCH 20 | SCH 30 | SCH 40s/40 | SCH 60 | SCH 80s/80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | XXS[5] | |||
| /STD | /XS | |||||||||||||
| 4 | 100 | 4.500 (114.30) | 0.083 (2.108) | 0.120 (3.048) | – | 0.188 (4.775) | 0.237 (6.020) | 0.281 (7.137) | 0.337 (8.560) | – | 0.437 (11.100) | – | 0.531 (13.487) | 0.674 (17.120) |
| 4½ | 115 | 5.000 (127.00) | – | – | – | – | 0.247 (6.274) | – | 0.355 (9.017) | – | – | – | – | 0.710 (18.034) |
| 5 | 125 | 5.563 (141.30) | 0.109 (2.769) | 0.134 (3.404) | – | – | 0.258 (6.553) | – | 0.375 (9.525) | – | 0.500 (12.700) | – | 0.625 (15.875) | 0.750 (19.050) |
| 6 | 150 | 6.625 (168.28) | 0.109 (2.769) | 0.134 (3.404) | – | – | 0.280 (7.112) | – | 0.432 (10.973) | – | 0.562 (14.275) | – | 0.719 (18.263) | 0.864 (21.946) |
| 7[5] | – | 7.625 (193.68) | – | – | – | – | 0.301 (7.645) | – | 0.500 (12.700) | – | – | – | – | 0.875 (22.225) |
| 8 | 200 | 8.625 (219.08) | 0.109 (2.769) | 0.148 (3.759) | 0.250 (6.350) | 0.277 (7.036) | 0.322 (8.179) | 0.406 (10.312) | 0.500 (12.700) | 0.593 (15.062) | 0.719 (18.263) | 0.812 (20.625) | 0.906 (23.012) | 0.875 (22.225) |
| 9[5] | – | 9.625 (244.48) | – | – | – | – | 0.342 (8.687) | – | 0.500 (12.700) | – | – | – | – | – |
| NPS[5] | DN | OD | Wall thickness | ||||||
| [2] | [in (mm)] | [in (mm)] | |||||||
| SCH 5s | SCH 5 | SCH 10s | SCH 10 | SCH 20 | SCH 30 | SCH 40s/STD | |||
| 10 | 250 | 10.75 (273.05) | 0.134 (3.404) | 0.134 (3.404) | 0.165 (4.191) | 0.165 (4.191) | 0.250 (6.350) | 0.307 (7.798) | 0.365 (9.271) |
| 12 | 300 | 12.75 (323.85) | 0.156 (3.962) | 0.165 (4.191) | 0.180 (4.572) | 0.180 (4.572) | 0.250 (6.350) | 0.330 (8.382) | 0.375 (9.525) |
| 14 | 350 | 14.00 (355.60) | 0.156 (3.962) | 0.156 (3.962) | 0.188 (4.775) | 0.250 (6.350) | 0.312 (7.925) | 0.375 (9.525) | 0.375 (9.525) |
| 16 | 400 | 16.00 (406.40) | 0.165 (4.191) | 0.165 (4.191) | 0.188 (4.775) | 0.250 (6.350) | 0.312 (7.925) | 0.375 (9.525) | 0.375 (9.525) |
| 18 | 450 | 18.00 (457.20) | 0.165 (4.191) | 0.165 (4.191) | 0.188 (4.775) | 0.250 (6.350) | 0.312 (7.925) | 0.437 (11.100) | 0.375 (9.525) |
| 20 | 500 | 20.00 (508.00) | 0.188 (4.775) | 0.188 (4.775) | 0.218 (5.537) | 0.250 (6.350) | 0.375 (9.525) | 0.500 (12.700) | 0.375 (9.525) |
| 22 | 550 | 22.00 (558.80) | 0.188 (4.775) | 0.188 (4.775) | 0.218 (5.537) | 0.250 (6.350) | 0.375 (9.525) | 0.500 (12.700) | 0.375 (9.525) |
| 24 | 600 | 24.00 (609.60) | 0.218 (5.537) | 0.218 (5.537) | 0.250 (6.350) | 0.250 (6.350) | 0.375 (9.525) | 0.562 (14.275) | 0.375 (9.525) |
Determine the Appropriate Alloy
Titanium is available in various grades, which suit different applications. It would be best to consider the weight, strength, temperature range, and corrosion-resistance requirements before choosing an alloy. The most commonly used seamless titanium alloy for pipes is Grade 2, characterized by its high strength, low weight, and excellent corrosion resistance. If your application requires high-temperature resistance, consider an alloy such as Grade 5 titanium, with its increased strength at higher temperatures.
Pipe OD/ID and Wall Thickness
Another consideration to make when selecting your seamless titanium pipe is the pipe's outside diameter (OD), inside diameter (ID), and wall thickness. The OD is the overall width of the pipe, and the ID is the diameter of the opening. The wall thickness is the distance between the pipe's outer and inner diameters. Choosing the right OD/ID and wall thickness is crucial to avoid any pipe failure due to the pressure it will be expected to withstand. You must consider the size and weight of your project and the pressure requirements when choosing the right OD, ID, and wall thickness.


Length And Quantity
The quantity and length of seamless titanium pipes are important considerations, especially for large-scale projects. It would be best to have a good idea of your project's required titanium pipes to avoid underestimating or overestimating the number of pipes needed.
Purchase From A Reliable Distributor
Once you have decided on the type of seamless titanium pipe recommended for your project, you must ensure that you purchase from a trusted distributor. They should be able to offer you excellent quality products, competitive pricing, and reliable delivery options. They should also provide accurate and useful information on selecting the right seamless titanium pipes for your specific application.
Compliance With Standards And Regulations
When choosing your seamless titanium pipe, ensuring it meets the applicable government standards and regulations is vital. Some useful references for ensuring compliance with standards include the American Society for Testing and Materials (ASTM) and the American National Standards Institute (ANSI). These organizations guide customers in selecting titanium pipes that meet the requirements of various industries, such as aerospace, medical devices, and oil and gas.
What is Titanium Flanges
A titanium flange is an element that joins pipes attached to pipe ends. The titanium flange has holes; Bolts steadily join the two flanges, and the gasket seals the flange. Pipe fittings with flanges are called flange pipe fittings.
Characteristics of Titanium Flanges
Corrosion Resistance: Titanium's resistance to corrosion is unparalleled, especially in harsh chemical environments. This property makes titanium flanges ideal for applications in the chemical processing, petrochemical, and oil and gas industries.
High Strength: Titanium flanges exhibit excellent strength, providing structural integrity and durability. This characteristic ensures the reliability of the connections they form, making them suitable for high-pressure and high-temperature applications.
Lightweight: Despite its robustness, titanium is remarkably lightweight. This weight advantage simplifies installation, reduces overall system weight, and contributes to enhanced fuel efficiency in transportation applications.
Biocompatibility: Titanium is biocompatible, meaning it is well-tolerated by the human body. This property has led to the use of titanium flanges in medical applications, particularly in the manufacturing of implants and medical devices.
Material Used in Titanium Flanges
ASTM International standard on titanium and titanium alloy seamless pipe includes alloys such as Grades 5, 23, 24, 25, 29, 35, and 36, which can be supplied as annealed or aged, cold-worked and stress-relieved or annealed, transformed-beta condition, and solution-treated or solution-treated and aged, respectively.
The unalloyed grades, ranging from 1 to 4, are classified as commercially pure or “CP.” These grades usually feature higher tensile and yield strength with the increase in grade numbers, the difference in their physical properties mainly results from the interstitial elements, which makes them applicable in corrosion-resistance tasks.
Grade 5, often referred to as Ti6Al4V, Ti-6Al-4V, or Ti 6-4, has 5% aluminum and 2.5% tin, making it ideal for aircraft and jet engines because of its superior weldability, strength, and stability under high temperatures.

Applications of Titanium Flanges
Aviation and Aerospace Industry
In the aviation and aerospace industry, where weight reduction is critical for fuel efficiency and performance, titanium flanges find extensive use. They are employed in aircraft hydraulic systems, fuel lines, and engine components, contributing to the overall reliability and safety of air travel.
Medical and Pharmaceutical Applications
The medical and pharmaceutical industries prioritize materials that are biocompatible and resistant to chemicals and bodily fluids. Titanium flanges meet these criteria, making them suitable for applications in medical devices, implants, and pharmaceutical manufacturing equipment.
Marine Environments
The marine environment, with its constant exposure to saltwater and harsh conditions, demands materials that can withstand corrosion and erosion. Titanium flanges excel in maritime applications, ensuring the longevity and reliability of shipbuilding and offshore platforms.
Flange Types and Standards
Titanium flanges come in various types, each designed for specific applications. The common types include slip-on flanges, weld neck flanges, socket weld flanges, and blind flanges.
Each type has distinct features that determine its suitability for different situations.weld neck flanges are suitable for high-pressure systems, while slip-on flanges are convenient for systems that require frequent disassembly. Selecting the appropriate type ensures seamless integration into the existing system.
Consideration for Welding
Welding titanium requires specialized techniques due to the metal's reactive nature at high temperatures. When choosing a titanium flange, it's crucial to consider the welding process that will be employed.
Welding methods such as TIG (Tungsten Inert Gas) and electron beam welding are commonly used for titanium due to their precision and ability to prevent contamination.
Corrosion Resistance in Specific Environments
Different industries expose piping systems to varying levels of corrosive environments. When choosing a titanium flange, it's important to assess the specific corrosive factors that the flange will encounter. Titanium's corrosion resistance is exceptional, but its performance may still vary based on factors such as the type of corrosive substance, temperature, and pressure.
Temperature and Pressure Considerations
Titanium's ability to withstand high temperatures and pressures is a major advantage. the specific temperature and pressure conditions in your application should be thoroughly evaluated.
Certain titanium grades are better suited for high-temperature applications, while others excel in high-pressure environments. Understanding the temperature and pressure limits of the chosen titanium flange is essential to prevent unexpected failures.
Compatibility with Piping Materials
Compatibility between the titanium flange and the piping materials is another crucial consideration. The flange material should be compatible with the materials of the pipes, valves, and other components it will be connected to. Incompatibility can lead to galvanic corrosion, which can compromise the integrity of the entire system.
Common types of titanium flanges
Neck Welding Flange
A Neck Welding Flange, commonly known as a Weld Neck Flange, features a prolonged tapered neck that ensures a seamless transition from the pipe to the flange. Primarily designed for high-pressure applications, this flange is welded to the pipe, enhancing structural integrity and preventing leakage.
Rubber Expansion Joint Flange
A Rubber Expansion Joint Flange is associated with flexible joints that provide critical functions such as vibration isolation, noise reduction, and compensation for thermal expansion or contraction in piping systems. These flanges often incorporate rubber or elastomer materials for enhanced flexibility.
Flange Cover
A Flange Cover serves the crucial purpose of safeguarding the flange and joint from environmental elements, corrosion, and potential damage. These covers are crafted to fit securely over the flange, providing an added layer of protection.
Clamp-Connected Flange
Also known as a Lap Joint Flange, the Clamp-Connected Flange is ingeniously designed to slide over the pipe and then be rotated to align with the bolt holes of the companion flange. This feature facilitates easy alignment and dismantling of the piping system when needed.
ANSI Weld Neck Flange
Adhering to standards set by the American National Standards Institute (ANSI), ANSI Weld Neck Flanges are commonly employed in industries following ANSI specifications for their piping systems. These flanges ensure compliance with recognized standards.
Flat Weld Neck Flange
Similar to the Neck Welding Flange, the Flat Weld Neck Flange possesses a flat face on the neck. This design is particularly suitable for applications where a flat surface is required for gasket sealing, ensuring efficient and reliable joint connections.
Plate Flat Flange
The Plate Flat Flange is a flat-faced flange without a raised neck. Its suitability lies in applications where precise bolt alignment and ease of assembly are essential factors for successful and efficient joint connections.
Customized Flange
Customized Flanges are precisely tailored to meet specific requirements defined by the client or application. These flanges are designed based on unique dimensions, features, and standards beyond the scope of standard flange types, ensuring a perfect fit for specialized needs.
FAQ
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