Industry News

What is a carbon steel flange?

Sep. 10, 2026

The types and manufacturing processes of carbon steel flanges are similar to those of other flanges; the key difference lies in the raw material—various grades of carbon steel. Commonly used materials include cast carbon steel (grade WCB) and forged materials such as A105, Q235B, A3, 10#, 20#, 45#, and Q345B.

Carbon steel flanges are the most common type of flange product; they offer excellent performance characteristics that can be further enhanced through post-processing. For instance, galvanizing can improve corrosion and high-temperature resistance, while anti-corrosion oils or paints can also be applied.

Carbon steel flanges are cost-effective and highly malleable, allowing for production in a wide range of specifications. Carbon steel is also recyclable, although the process requires several specific steps.

Manufacturing methods for carbon steel flanges include forging, casting, rolling from medium plates, and cutting from medium plates. In terms of cost, forged products are the most expensive, followed by rolled plate products, with cast products being the least expensive. Regarding quality, forgings rank highest, followed by rolled products and then castings; however, forgings typically have smaller diameters.

Carbon steel flanges are widely used in infrastructure projects across sectors such as chemicals, construction, water supply and drainage, petroleum, light and heavy industry, refrigeration, sanitation, piping systems, fire protection, electric power, aerospace, and shipbuilding.

If you are interested in purchasing carbon steel flanges, we invite you to visit Beijing Meilingde Pipeline Technology Co., Ltd. We operate 21 production lines manufacturing flanges and pipe fittings in various materials. We provide high-quality products and exceptional service to key national projects in petrochemicals, electric power, district heating, water conservancy, natural gas, chemicals, shipbuilding, and pharmaceuticals, earning an excellent reputation in the process.

Cangzhou Aosendike Pipe Fittings Manufacturing Co., Ltd. is a large-scale manufacturer specializing in elbows, tees, reducers, and pipe caps. We manufacture products in compliance with standards such as ASTM, ANSI, JIS, DIN, and GB, covering virtually all steel grades.

Please feel free to contact us if you have any purchasing needs or inquiries. Mobile: 86-13668807131

Website: https://www.authenticfitting.com/

Address: Mengcun Hui Autonomous County, Cangzhou City, Hebei Province

Email: authentic013@steelpipes-fitting.com

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Authentic is here to help you find the right pipe fittings and flanges for your specific needs.

FAQ

What certifications do your products have?

Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.

How can I get some samples?

If you need, we will offer you samples for free, but new customers are expected to pay express charge.

To which country have you supplied your products?

We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)

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authentic013@steelpipes-fitting.com

+86 13668807131

+86 13668807131

Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province

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