| Customization: | Available |
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| Standard: | ANSI, DIN, GB, JIS, GOST, BSW |
| Type: | Wn Flange |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Our Carbon Steel Welding Neck Flange (WN Flange) is designed for high-performance piping systems requiring superior strength and leakage prevention. Manufactured from premium-grade carbon steel, this flange is ideal for high-pressure and high-temperature applications in industries such as oil & gas, petrochemical, power generation, and water treatment.
Key Features:
Material: High-quality stainless steel (304, 316, 316L, or as per customer request) with excellent mechanical properties, corrosion resistance, and durability.
Standards: Compliant with international standards including ANSI/ASME B16.5, DIN, JIS, and EN 1092-1.
Pressure Ratings: Available in PN6 to PN40 to meet varying system demands.
Sizes: Range from 1/2" to 48" (DN15 to DN1200), customizable upon request.
Face Types: Raised face (RF), flat face (FF), or ring-type joint (RTJ) configurations.
Robust Construction: The long tapered hub provides extra reinforcement, reducing stress concentration and ensuring a smooth flow transition.
Welding Reliability: Designed for easy alignment and secure butt welding, minimizing turbulence and erosion.
Applications: Suitable for critical connections in pipelines, valves, pumps, pressure vessels, and other industrial equipment where corrosion resistance and leak-proof integrity are essential.
Why Choose Our Flanges?
Precision machining for perfect fit and easy installation.
Rigorous quality control and non-destructive testing (NDT) ensure defect-free products.
Competitive pricing with fast delivery.
Comprehensive certifications, including ISO 9001, CE, and material test reports.
For custom specifications, bulk orders, or detailed quotations, contact us today! We are a trusted China-based manufacturer committed to providing reliable flanges and professional service.
Our aluminum flanges are commonly used in industries such as aerospace, automotive, shipbuilding, and construction. They are used in applications such as connecting pipes, vessels, and equipment, where a reliable and sturdy connection is crucial.



If you are interested in learning more about our WN flanges or would like to discuss a potential collaboration, please do not hesitate to contact us. We look forward to the opportunity to work with you.