E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Nov. 07, 2025
Main Uses of Seamless Steel Pipes
① Transporting Various Fluids
Used to transport media such as water, gas, oil, slurry, and steam. Common applications: oil and gas pipelines, urban water supply, chemical pipelines, high-temperature steam transportation.
② Mechanical Manufacturing and Processing
Used in shafts, automotive parts, tractor parts, hydraulic cylinders, bearing sleeves, etc. Due to their high strength, precise dimensions, and good wear resistance.
③ Building Structures and Steel Structure Engineering
Used in bridges, supports, steel structure frames, and curtain wall skeletons. High load-bearing capacity and high safety.
④ High Temperature and High Pressure Environments
High-pressure boiler tubes, heat exchanger tubes, chemical plant tubes. Widely used in power plants, chemical plants, and pressure vessels. Resistant to high temperatures and pressure, and not prone to bursting.
⑤ Oil Drilling and Mining
Oil drill pipes, drill joints, and casing. Requires high strength and impact resistance.
⑥ Military, Aerospace, and Shipbuilding
Tank, ship, missile, and aircraft parts. Requires extremely high material performance; ordinary welded pipes cannot replace them.
⑦ Automotive and Transportation Sector
Automotive axle tubes, drive shafts, motorcycle frames
Seamless pipes ensure safety and durability
The general characteristics of seamless steel pipes can be summarized in one sentence: Wherever there is high pressure, high temperature, high strength requirements, and where problems cannot be tolerated, seamless steel pipes are generally used.
Cangzhou Aosendike Pipe Fittings Manufacturing Co., Ltd. is a large-scale manufacturer specializing in elbows, tees, reducers, and pipe caps. We can execute ASTM, ANSI, JIS, DIN, GB, and other standards, basically covering all types of steel.
For any purchasing needs or inquiries, please contact us.
Mobile: 86-13668807131
Website: https://www.authenticfitting.com/
Address: Mengcun Hui Autonomous County, Cangzhou City, Hebei Province
Email: authentic013@steelpipes-fitting.com
Latest News
Industry News
Aug. 07, 2026
Advantages of seamless carbon steel elbows
The raw material for seamless carbon steel elbows is seamless steel pipe. The main production process involves heating and piercing a round tube billet, then rolling it using three-roll cross rolling, continuous rolling, or extrusion to set (or reduce) the outer diameter of the pipe. After cooling, it is straightened. It undergoes direct hydrostatic testing (or flaw detection), is marked, and then stored. Schxx represents the wall thickness grade; 180e (S) indicates a short-radius 180° carbon steel elbow, and 180e (L) indicates a long-radius 180° elbow; 90E (S) indicates a short-radius 90° carbon steel elbow, and 90e (L) indicates a long-radius 90° elbow; 45
Industry News
Aug. 05, 2026
180° carbon steel pipe elbow manufacturing process
The most common manufacturing process for carbon steel pipe bends is hot forming. Hot forming is divided into two types: hot push bending and hot heating bending. Our 180° carbon steel pipe bends are manufactured using the hot push process. The process flow diagram is shown below.
Industry News
Aug. 03, 2026
What are the advantages of using sliding flanges?
A sliding flange is a type of slip-on flange. Slip-on welding involves welding only the outer layer, not the inner layer. Slip-on flanges are typically used for medium- and low-pressure pipelines with a nominal pressure less than 2.5 MPa. There are four types of sealing faces for slip-on flanges: flat face, raised face (RF), FM/M, and tongue and groove (TG). Flat face is the most widely used and the cheapest. A sliding flange is a slip-on flange with a short neck. Carbon steel sliding flanges, or SO flanges, are generally cheaper than welded neck flanges, which is why customers often choose sliding flanges. As the name suggests, a sliding flange fits over a
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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Our team at Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
You Can Contact Us in the Following Ways
authentic013@steelpipes-fitting.com
+86 13668807131
Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province
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