Stainless Steel Flange
Your Professional Stainless Steel Flange Supplier
Our goal is to be your true partner in Stainless Steel Flange field in China.We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
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Ansi Slip On FlangeCharacteristics of ansi slip on flange:read more
1 Easy Installation: Ansi Slip On Flange are designed to slide over the pipe ends, making installation straightforward and requiring less precise... -
Weld Neck Flange Asme B16 5Characteristics of Weld Neck Flange Asme B16 5:read more
1.Strong Connection: Weld Neck Flange Asme B16 5 provide excellent strength and stability due to their long tapered neck, which allows for a... -
Awwa C207 Table 3 Table4 FlangeSize range: NPS 4 to NPS 144 (DN 100 to DN 3600)read more
Flange types: Slip-On Ring, Slip-On Hub, and Blind
Pressure classes: Class B, Class D, Class E, Class F
Material: Carbon steel... -
Awwa C207 Table 2 Blind FlangeSize range: NPS 4 to NPS 144 (DN 100 to DN 3600)read more
Flange types: Slip-On Ring, Slip-On Hub, and Blind
Pressure classes: Class B, Class D, Class E, Class F
Material: Carbon steel... -
Asme B6.47 Series A Welding Neck Flange1. Standard Specification: MSS SP 44 flanges are standardized by the Manufacturer's Standardization Society (MSS) for use in piping systems, ensuring consistent dimensions and pressure ratings....read more
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Ss Weld Neck FlangeStandard: BS4505, GOST12820-80, DIN, UNI, EN1092-1 TYPE 11, SABS/SANS, AS, ISO, API, BS Tables D,E, F and H etcread more
Pressure Rating: PN6 / PN10 / PN16 / PN25 / PN40/PN63
Size Range: DN15 –... -
Socket Weld Pipe FlangeCharacteristics of Socket Weld Pipe Flange (SW Flanges):read more
1.Compact Design: Socket Weld Pipe Flanges are designed for smaller pipe sizes, making them suitable for applications with limited... -
BSPT Threaded FlangeThread Standard: BSPT — BS 21 / ISO 7-1read more
Thread Angle: 55° (Whitworth form)
Flange Standard: EN 1092-1 / DIN 2566 / ASME B16.5 (on request))
Face Types: Raised Face... -
Stainless Steel Lap Joint Flange1. Ease of Installation: Stainless Steel Lap Joint Flange are designed for easy installation by sliding them over the pipe, which simplifies assembly.read more
2. Alignment Tolerance: Stainless...
Why Choose Us
Product application
Our products are widely used in power plants, nuclear power, petrochemicals, natural gas, military, municipal infrastructure, metallurgy, construction, pharmaceuticals, papermaking, coal mining, cement production, pollution control, environmental protection and energy conservation.
Production equipment
We have more than 120 equipment, demonstrating our strong production capacity and commitment to high-quality production. The rich product line enables us to efficiently meet various project needs and maintain a competitive advantage in the industry.
One-stop service
Inquiry-quotation-sample-order-production-delivery-after-sales service.
Sales team
Well-trained and experienced - quick response - smooth communication - timely quotation - perfect solution.Working with us will give you peace of mind.
Advantages of Stainless Steel Flange




Corrosion and stain resistance
Stainless steel flanges are excellent in a wide range of atmospheric environments and many corrosive media. It is resistant to crevice and pitting corrosion in warm chloride environments. It is also resistant to corrosion that cracks below approximately 60°C.
Versatility and strength
You can add different materials like nitrogen, molybdenum, nickel to stainless steel to enhance the corrosion-resistant properties. ASTM A182 specified flanges can handle extreme temperatures and have higher strength at elevated temperatures above 500°C up to about 800°C.
Appearance
Stainless steel flange are one of the excellent choices for commercial establishments. The reason is that the material has a naturally elegant and shiny look compared to weathered carbon.
Value
When you use stainless steel flange, you buy durable products that will help your projects last longer for decades. It is a reliable material that is easy to install and maintain. Stainless steel is one of the low-maintenance metals because of its non-corrosive properties. It is unlikely that it needs a replacement for decades.
Environment-friendly
You can use stainless steel in all types of water. Applications include drinking water in public supply. The flanges have excellent resistance to the full range of potable waters, including various chloride levels.
Stainless steel is not a petroleum product in and of itself. It doesn't need to be lined or coated with any materials at all, unlike some other materials. When you want to dispose of or replace the steel flanges, they are scrap-friendly and recyclable-helpful in reducing the environmental impact.
Material benefits
The combination of corrosion resistance with high strength allows a reduction in flange weight and thickness. Stainless steel can withstand even high flow rates - over 40m/s -that makes it capable of resisting even long-term exposure to the elements in almost any environment.
Economic benefits
Stainless steel flanges are low maintenance and do not have an additional coating for outdoor and indoor applications. The expected lifetime of a stainless steel system is for more than 50 years. It helps in reducing the maintenance, replacement, and downtime costs over the life of the installation.
No blasting, painting, or welding
When you use flanges, there is no requirement to weld the pipe spools. In the same way, blasting and painting also become unnecessary, unlike other methods and fittings.
Ease of modification and fast fabrication
Flange use can help in speeding up the process. If you are all ready to take the benefits of flanges, you can look here to get a complete range of stainless steel flanges with us.
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.
Wastewater treatment: Stainless steel flanges are used in wastewater treatment plants to connect pipes and components in various treatment processes.
Pharmaceutical industry: Pharmaceutical manufacturing facilities use stainless steel flanges to connect sanitary piping systems, ensuring the purity and integrity of the products being produced.
Automotive: In the automotive industry, stainless steel flanges find application in exhaust systems, providing a durable and corrosion-resistant connection between exhaust pipes and components.
Oil and gas exploration: Stainless steel flanges are used in offshore drilling rigs and onshore facilities to connect pipes and valves in the extraction and transportation of oil and gas.
Chemical processing: Stainless steel flanges are crucial in chemical processing plants to connect pipes carrying corrosive and hazardous chemicals.
Instrumentation: They are used in instrumentation and control systems to connect various sensors, transmitters, and equipment in industrial processes.
Water supply and distribution: Stainless steel flanges are employed in municipal water supply systems and water treatment plants to connect pipes and control the flow of water.

Material of Stainless Steel Flange

316 stainless steel (CF8M)
Corrosive or ultra-low temperature or high temperature non-corrosive applications;Temperature range: -268 ℃ to +649 ℃, the temperature above +425 ℃ must specify a carbon content of 0.04% and above.
347 stainless steel (CF8C)
Mainly used in high temperature and corrosive applications;Temperature range: -268 ℃ to +649 ℃, the temperature above +540 ℃ must specify a carbon content of 0.04% and above.
304 stainless steel (CF8)
Corrosive or ultra-low temperature or high temperature non-corrosive applications;Temperature range: -268 ℃ to +649 ℃, the temperature above +425 ℃ must specify a carbon content of 0.04% and above.
304L stainless steel (CF3)
Corrosive or non-corrosive applications; the temperature range up to + 425 ℃.
316L stainless steel (CF3M)
Corrosive or non-corrosive applications, temperature range up to + 454 ℃.
Product Description
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Name |
Stainless Steel Flange |
|
Technology |
Forging |
|
Pressure Rating |
Class:150#, 300#, 600#, 900#, 1500#, 2500#, etc. |
|
PN: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, etc. |
|
|
Sealing Type |
FF, RF, RJ, FM, M, T, G, etc. |
|
Sealing Finish |
Smooth or Spiral Finish (As your request) |
|
Varieties |
PL (Plate Flat), WN (Weld Neck), BL (Blind), SO (Slip-ons), SW (Socket Welds), TH (threaded), LF/SE(Lapped Flange/Stub ends), PJ/SE, LF/SE, etc. |
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Size Range |
DN 10 - DN 2000-----1/2"- 48" |
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Surface |
Machined by CNC |
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Materials |
SS304/S316L or Customized to your needs |
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Special Design |
Available |
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Customized Size |
Available |
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Warranty |
1 year |
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Package |
Cartons, pallet, cases |
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Production period |
In 15-60 days upon order quantity |
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Payment term |
LC, T/T, Western Union, Small-amount payment |
|
Certificate |
ISO14001,ISO9001,ASME,CCC,CE |
|
Closest port for shipment |
Zhejiang |
Delivery
|
Selling units |
Single item |
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Single package size |
10X10X10 cm |
|
Single gross weight |
2.000 kg |
Lead Time
|
Quantity (pieces) |
1 - 1000 |
> 1000 |
|
Lead time (days) |
16 |
To be negotiated |
Packaging & Shipping

FAQ
Zhejiang Chengjiu Pipeline Co., Ltd. is one of the most professional stainless steel flange manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade stainless steel flange from our factory. For price consultation, contact us.
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