Company Profile
Baoji Shenghui Titanium Industry Co., Ltd. is located in Baoji City, which is known as "Titanium City". We are a comprehensive enterprise specializing in smelting, processing, production, sales and R&D of titanium and titanium alloys, refractory and rare non-ferrous metals.
The factory was established in 2012. At present, the company has a complete production line of titanium metal and titanium alloy materials. It has achieved independent processing accuracy and product quality. With professional control, Various bars, processing parts, forgings and deep-sea cabins of different thicknesses, varieties and specifications can be produced on a large scale.
Why Choose Us
Rich Experience
The factory is famous for its physical production, advanced technology, strong technology, excellent quality, timely delivery and high reputation.
Professional Team
An efficient management system will provide you with the best quality goods and earlier delivery. Your satisfaction is our mission.
Quality Control
In strict accordance with ISO9001:2000 quality system certification, our company has successively won high-tech enterprises, 2 national invention patents, 6 national utility model patents, and has become one of the most dynamic processing enterprises in Baoji titanium industry.
Advanced Equipment
The company has 6-ton vacuum consumable electric arc furnace, 4500-ton hydraulic press, electrode welding platform, American Haas four-axis linkage machining center, three-coordinate measuring instrument, CNC lathe, sawing machine and other processing equipment.
Titanium flanges are the type of components used to join pipes that are attached to pipe ends and are constructed of the non-ferrous metal titanium or a titanium alloy. Bolts firmly connect the two flanges, which are joined via holes in the Titanium Flanges. The flange is sealed with a gasket. The term “flange pipe fittings” refers to pipe fittings with flanges (flange or adapter).
It can be created using either welding or a threaded connection. Two flanges, a gasket, plus some bolts and nuts make form the flange connection. In the middle of the two flange sealing surfaces is where the gasket is inserted.
The gasket surface deforms and is subjected to a specified level of pressure once the nut is tightened, filling in any irregularities on the sealing surface and ensuring a tight connection. Titanium is a new type of metal. The characteristics of the substance are impacted by the presence of impurities such as carbon, nitrogen, hydrogen, and oxygen.
Benefits of Titanium Flange
Corrosion Resistance:
One of the most notable advantages of titanium flanges is their exceptional corrosion resistance. Corrosion can compromise the integrity of traditional steel flanges over time, leading to leaks, maintenance issues, and potential safety hazards. Titanium’s corrosion resistance ensures longevity, reducing the need for frequent replacements and maintenance.
Strength and Durability:
Despite its lightweight nature, titanium boasts impressive strength.Titanium flanges can handle high-pressure and high-temperature environments (450–500 °C) without succumbing to deformation or failure.
Robust:
Titanium alloy has a roughly 4.51g/cm3 density. Pure titanium is equivalent density as regular steel. Many strong titanium alloys are more robust than many alloy structural steels. Therefore, titanium alloy has a significantly higher specific strength than other metal materials.
Reduced Maintenance:
The durability and corrosion resistance of titanium flanges translate to reduced maintenance requirements. Less frequent maintenance saves time and resources and minimizes downtime in industrial processes. It is advantageous for those industries where interruption in production can lead to significant financial loss.
Weight Savings:
Industries that demand efficiency without compromising safety have turned to titanium flanges due to their lightweight nature. If we compare it with other materials, like steel, its weight is significantly lower overall components’ weight, making it the perfect choice for various applications.
Type of Titanium Flange
Weld Neck Flanges
These flanges require butt welding for installation, hence the name. The tapered hub on one end of the flange is welded to the end of the pipe or fitting. These flanges provide high temperature and high-pressure operation, which is why they are recommended for process piping, especially those with repeated bends and pipe diameter changes.
Threaded Flanges
Sometimes called screwed flanges, they have a female thread inside the bore for easy installation of male-threaded piping or fittings. These are commonly used when welding wants to be avoided, but they cannot be used in high temperature and high-pressure applications.
Slip-on Flanges
These are similar to socket weld flanges with the different that they do not have the shoulder for the pipe to rest on, so it requires welding on both sides. The main advantage is that there are many sizes and materials available, which makes them a good choice for systems with high flow and production rates.
Lap Joint Flanges
These flanges are formed of two pieces, a stub end and a backing flange. There are two requirements for the installation, butt welding the stub end to the pipe and sliding the backing flange over to achieve the flanged connection. The backing flange is the one that provides the holes for bolting the lap joint flange with the other flange in the connection. This type is recommended for confined or reduced spaces.
Blind Flanges
There are some cases where a system requires isolation or termination of certain sections. Here is where blind flanges are relevant. These flanges are basically blank plates that can be bolted to another pipe flange and provide the needed sealing when combined with appropriate gaskets. They are recommended for their easy installation and removal when or if needed.
How to Select the Right Titanium Flange?
Selecting the size
To select the flange size, you need to refer to ANSI/ASME standards. These standards provide the sizing of the flange for the specific pipe diameter that will be connected to the flange. They usually include tolerances together with requirements and recommendations for flange bolting and flange gaskets.
Pressure class
The pressure class makes reference to the pressure and temperature capacity of the flange. The term is used interchangeable with others, such as “pressure rating”, “class”, “#”, “Lb” or “Lbs”.
While two flanges may have the same bore size and the same material, having a higher class means it is bigger, heavier and more robust to withstand higher temperatures and pressures depending on the material.
Selecting material
The usual recommendation is to use a flange made of the same material as the pipes and fittings that will be connected to the flange or at least a compatible alloy. For example, in the case of titanium piping, the best choice would be titanium flanges or zirconium flanges.
Process of Titanium Flange
Melting And Forging
Once the titanium billets or bars are ready, they are subjected to the melting process to form an ingot. The ingot is then heated to a specific temperature required for the forging process. Forging primarily aims to shape the ingot into useful forms for further processes. In this case, the ingot is hammered into a pipe shape.
Heat Treatment
Heat treatment is essential in the manufacturing process of titanium pipes. The heat treatment operation is done at a specific temperature to enhance the strength of the pipes and remove any unwanted defects. The heat treatment is also critical in ensuring the pipes’ chemistry is uniform.
Machining And Welding
Once the pipes have undergone heat treatment, they are machined to the desired specifications. This includes cutting and forming the pipes into the desired shapes and sizes. Pipes may also need to undergo welding if the specifications require a greater pipe length than the initial forging produced. Welding is also required to attach the pipes to different structures.
Finishing
After machining and welding, there are final finishing touches that the pipes need to go through, such as polishing and cleaning. This stage aims to ensure that the pipes are free from any unwanted materials and polished to have a smooth surface, making them clean and appealing to the eye.
How to Choose Titanium Flange
The pressure rating of the flange is an important consideration to ensure that it can withstand the pressure of the fluid or gas in the system. Choose a flange with a pressure rating that exceeds the maximum operating pressure of the system.
The temperature rating of the flange is also an important consideration. Choose a flange with a temperature rating that can handle the maximum temperature of the fluid or gas in the system.
There are different types of flanges, including slip-on, weld neck, socket weld, threaded, and blind. Choose a flange type that is suitable for the specific application.
The size of the flange should match the pipe size or valve size in the system.
Titanium is a popular material for flanges because of its high strength-to-weight ratio, corrosion resistance, and durability. However, there are different grades of titanium, so choose a grade that is appropriate for the application.
Titanium Flanges V/s Carbon Steel Flanges
Material Properties and Composition
The composition of titanium flanges is pure titanium, an element known for its exceptional strength-to-weight ratio. They may also contain a small amount of other elements, like vanadium and aluminum, to enhance specific properties.
Corrosion resistance is one of the top features flanges must have, and titanium is exceptionally resistant to corrosion, especially in harsh environments like chlorides, seawater, and specific acids. However, carbon steel, on the other hand, is prone to corrosion if not properly protected with galvanization or coatings.
Applications
Titanium flanges are useful in applications where their unique properties can be used. Common industries that use titanium flanges are aerospace, marine, medical, and chemical processing.
Carbon steel is useful in many industrial sectors due to its strength and cost-effectiveness. The top industries for carbon steel flanges are oil and gas, construction, power generation, and general manufacturing.
Health and Environmental considerations
Titanium’s resistance to corrosion helps it not degrade or seep harmful substances into the environment. Thus, it is the most environmentally friendly option in many cases. However, carbon steel, on the other hand, is recyclable. It corrodes and may require coatings that may result in environmental implications.
Performance
Something crucial to understand while choosing flanges is their performance in extreme conditions, like very low or high temperatures or highly corrosive environments. Well, in any of these conditions, titanium flanges outperform carbon steel flanges. They can resist corrosion while also maintaining structural integrity, which makes them invaluable in critical applications.
How Do You Ensure Proper Sealing with Titanium Flanges
Choose The Right Gasket
When working with titanium flanges, it is important to choose the right type of gasket. The gasket material should be compatible with titanium, and should be able to withstand the operating conditions of the system such as temperature, pressure, and chemical exposure.
Clean the flange surfaces: Before installing the gasket, ensure that the flange surfaces are clean and free from any debris or contaminants. Any dirt or oil on the surface can compromise the seal and cause leaks.
Install The Gasket Properly
The gasket should be carefully placed between the flange faces, ensuring that it is centered and properly aligned. The bolts should be tightened evenly to ensure that the gasket is compressed uniformly. Over-tightening can damage the gasket or the flanges and cause leaks.
Check For Leaks
After installation, it is important to check for leaks by applying pressure to the system and observing for any signs of leakage. This can be done using a leak detector or by applying a soapy water solution to the flange surfaces and checking for bubbles.
Regular Maintenance
Regular inspection and maintenance can help to identify potential leaks and ensure that the seals are functioning properly. This includes checking the tightness of the bolts, inspecting the gasket for damage, and ensuring that the flange surfaces remain clean and free from contaminants.
FAQ
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