Stainless Steel Flange

Your Professional Stainless Steel Flange Supplier

Tianjin Kun Yu Technology Co., Ltd. is one of the leading steel exporters in China. The company specializes in exporting a wide range of steel products, including steel pipes, steel plates, carbon steel, galvanized steel, stainless steel, aluminum steel, and steel profiles. These products are primarily utilized in various sectors of the national economy, such as the chemical industry, machinery, construction, public utilities, shipping, oil, and others.

Customized Services

With over a decade of experience in the manufacturing and R&D of steel products, we offer comprehensive customization services for a variety of materials to meet specific customer requirements.

High-Quality Products

Our factory employs state-of-the-art production processes and advanced technology to ensure the superior quality of our products.

High Productivity

Equipped with cutting-edge production facilities and a highly skilled technical team, we guarantee efficient production to meet customer demands promptly.

Excellent After-Sales Service

We provide exceptional after-sales service, addressing customer complaints and resolving issues effectively to ensure customer satisfaction.

Parameter

Material	ASTM A182, F304 / 304L, F316 / 316L,A182F317/317L,A182F310,F321,F347,316Ti
Standard	ANSI/ASME B16.5,DIN,JIS,EN1092-1
Connection Type	Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove,Small-Tongue,Groove, etc
Size	1/2"-100",SCH5S-SCH160S,XS,XXS,STD
Surface	Transparent anti tust oil,yellow anti rust oil,black paint,or clients request
Heat Treatment	Normalizing, Annealing, Quenching Tempering

Advantages of Stainless Steel Flange

01/

Corrosion Resistance
Liquid and gas flow in oil pipelines will often cause internal corrosion within the piping systems. Stainless steel is highly resistant to corrosion compared to other metals. This makes this material an ideal choice for pipe flanges and fittings.

02/

Versatility
Stainless steel is highly versatile. Different materials such as nickel, molybdenum, or nitrogen can be added to enhance the properties of stainless steel. You can utilize the different standard dimensions and specifications to order stainless steel flanges for a variety of environments.

03/

Strength
Any system is only as strong as its weakest part. Weld fittings and joints are traditionally weak points for any liquid and gas flow equipment. The addition of titanium and molybdenum increases its tensile strength, reducing the chance of warping or deformation.

04/

Temperature and Pressure Tolerance
Stainless steel flange fittings can withstand high pressure and temperatures depending on the metal grade used. ASTM A182 flanges can handle extreme temperatures of about 500 to 800 degrees Celsius. ASTM, API, or ANSI classifications may provide an excellent guideline to the right pressure class for your application.

05/

Value
Stainless steel fittings are highly durable. Your pipe flanges may last for decades, supporting liquid and gas flow within your piping system. Stainless steel is a reliable material that is easy to maintain. Its stain and corrosion resistance properties mean that you may not have to replace the industrial long weld neck flanges for years to come.

06/

Easy Inspection
Pipe flanges linking equipment and valves provide an easy point of access for cleaning and repairs. With stainless steel being rust and corrosion resistant, the flanges provide easy access for inspection, modification, or cleaning. This can allow you to save time and money overall.

Applications of Stainless Steel Flange

● Pipeline Systems: Stainless steel flanges are widely used in pipelines for various industries, including oil and gas, chemical processing, and water treatment. They allow for easy assembly and disassembly of pipe sections, making maintenance and repairs more accessible.
● Pressure Vessels: They are used in the construction of pressure vessels, such as boilers and tanks. They ensure a tight seal to contain high-pressure fluids or gases safely.
● Petrochemical Industry: In refineries and chemical plants, ss flanges are crucial for connecting pipes, valves, and equipment that handle corrosive and high-temperature materials.
● Food and Beverage Industry: They are preferred in the food and beverage industry due to their hygienic properties. They are used in the construction of processing equipment and pipelines.
● Shipbuilding: Stainless steel flanges are used extensively in shipbuilding for their resistance to saltwater corrosion. They connect various components in a ship’s piping systems.
● Power Generation: Power plants, including nuclear, fossil fuel, and renewable energy facilities, use ss flanges to connect pipes and valves in critical systems.
● Aerospace: They are used in aircraft and aerospace applications where high strength and resistance to extreme temperatures are required.
● Construction: In construction, ss flanges are used in building HVAC systems, plumbing, and fire protection systems to connect pipes and ensure a secure and leak-free installation.

Differences Between Stainless Steel Flanges and Carbon Steel Flanges

Feature	Stainless Steel Flanges	Carbon Steel Flanges
Corrosion Resistance	Excellent; resists rust and chemical attacks.	Limited; prone to rust without coatings.
Durability	High, suitable for harsh environments.	Strong but less resistant to environmental factors.
Cost	More expensive due to material properties.	Cost-effective for low-corrosion applications.
Applications	Ideal for marine, chemical, and pharmaceutical use.	Suitable for high-pressure, low-corrosion systems.

Installation Precautions for Stainless Steel Flanges

Surface Cleanliness:

Prior to installation, ensure that flange surfaces are impeccably smooth and clean. Thoroughly remove any oil stains and rust spots.

Gasket Selection:

Opt for gaskets boasting exceptional oil resistance, aging resistance, elasticity, and mechanical strength. Tailor gasket selection based on joint shape, ensuring proper installation.

Welding Control:

When welding stainless steel flanges, meticulously control welding current to prevent flange overheating, which could compromise performance.

Uniform Fastening:

Distribute tightening force evenly across stainless steel flanges, with gasket tightening kept within an appropriate range, typically around 1/3 of the flange pressure.

Stabilizing Component Addition:

Enhance flange stability by incorporating suitable stabilizing components.

Packaging and Shipping

Packaging

Plastic film,wooden cases,wooden pallet or on customers'request

Shipping

1. We could deliver the goods by international express, such as DHL, UPS, TNT, EMS, others.

2. You could also choose the transportation according to your schedule and budget.

3. Or you could use your own cargo agent.

Our Factory

Tianjin Kun Yu Technology Co, Ltd. is located in Beichen District, Tianjin, China, is a production and trading integrated enterprise, focusing on the field of steel materials. Our steel plant covers an area of 150,000 square meters, with spacious production workshops and advanced storage facilities, the plant covers an area of 128 employees, and builds a well-structured, professional and complementary team structure.

productcate-1-1

Our Certificate

FAQ

Q: What are the different types of stainless steel flanges?

A: Select from stainless pipe flanges such as: stainless steel blind plate flanges, stainless raised face blind flanges, stainless lap joint flanges, stainless steel slip on plate flanges, raised face socket weld flanges, raised face threaded flanges, raised face weld neck flanges, and raised face slip-on flanges.

Q: How do you ensure a proper seal when connecting stainless steel flanges?

A: The flange faces must be clean, smooth, and free from any damage or debris. The gasket should be properly installed and the bolts should be tightened evenly to the recommended torque value. Regular inspection and maintenance of the flange connections can also help to ensure a proper seal.

Q: How are stainless steel flanges installed?

A: For welded neck and socket - weld flanges, they are welded to the pipe ends. Slip - on flanges are slipped over the pipe and then welded or bolted. Threaded flanges are screwed onto the threaded pipe ends. Bolts are used to connect the flanges to other components, and gaskets are placed between the flange faces to ensure a leak - tight seal.

Q: Why is the corrosion resistance of stainless steel flanges important?

A: In many applications, the piping system may carry corrosive fluids or be exposed to corrosive environments. The corrosion resistance of stainless steel flanges helps to prevent leaks, maintain the integrity of the system, and extend the service life of the flanges and the overall piping system.

Q: How can you maintain the corrosion resistance of stainless steel flanges?

A: Regularly clean the flanges to remove any dirt, debris, or corrosive substances. Avoid contact with materials that can cause galvanic corrosion. If the flanges are in a harsh environment, consider using protective coatings or inhibitors.

Q: Can stainless steel flanges be repaired if they are corroded?

A: In some cases, minor corrosion damage can be repaired by methods such as grinding and polishing to remove the corroded layer. For more severe damage, the affected flange may need to be replaced to ensure the safety and reliability of the piping system.

As one of the leading stainless steel flange manufacturers and suppliers in China, we warmly welcome you to wholesale cheap stainless steel flange from our factory. All customized steel products are with high quality and competitive price. For free sample, contact us now.