Cangzhou Hongxin pipe fittings Co., Ltd.
We can produce the products according to customers request, samples or drawing are available.
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When sourcing highquality steel pipe couplings for your industrial, construction, or oil & gas projects, precise dimensional data is critical. As a leading manufacturer and supplier from China, we provide a comprehensive range of standard and custom steel pipe couplings that meet international standards. This detailed size chart will help you identify the correct component for your application.
Why Our Steel Pipe Couplings?
Premium Material: Manufactured from highgrade carbon steel or alloy steel, offering superior strength, durability, and corrosion resistance.
Precision Engineering: Threads are machined to exact tolerances (e.g., API, ISO standards) for a leakproof, secure connection.
Rigorous Quality Control: Every coupling undergoes strict inspection to ensure performance and longevity.
Competitive Pricing: Directfromfactory pricing provides exceptional value without compromising on quality.
Global Export Expertise: We are experienced in shipping to markets worldwide, ensuring smooth logistics and delivery.
Standard Steel Pipe Couplings Size Chart (Length & Outer Diameter)
This chart provides general dimensions for standard threaded couplings. All measurements are in millimeters (mm). Note: Custom sizes are available upon request.
Disclaimer: The dimensions above are for reference. Slight variations may occur. Please contact us for detailed technical drawings and specifications.
Applications of Our Steel Pipe Couplings
Our couplings are designed for a wide array of heavyduty applications, including:
Oil and Gas Pipelines
Water and Wastewater Systems
Structural and Construction Projects
Mining and Mineral Processing
Industrial Plumbing and Machinery
How to Choose the Right Coupling?
1. Identify NPS: Determine the Nominal Pipe Size of the pipes you need to connect.
2. Check Thread Standard: Confirm the thread type (e.g., NPT, BSPT, API) required for your project.
3. Refer to Dimensions: Use the OD and Length to ensure the coupling fits your spatial and mechanical requirements.
4. Consider Material & Coating: For corrosive environments, inquire about material grades or protective coatings (like zinc plating).
Customization: We can produce couplings to your exact OD, length, and thread specifications.
Volume Production: Our largescale manufacturing capability ensures we can handle orders of any size, from small batches to container loads.
Quality Assurance: Certifications including ISO 9001, API, and others ensure our products meet global standards.
Expert Support: Our technical team is ready to assist you in selecting the perfect product for your needs.
Hongxin Pipes & Fittings provides different types of nipple fittings according to the needs of hardware customers.
A nipple is a short segment of pipe with equal male threading at each end. It is typically used for connecting two other pipes, fittings or hoses.
Pipe nipples can be made from a wide range of materials, including carbon steel, brass, stainless steel, aluminum and more. Using pipe nipples makes it possible to position tubing exactly where it is needed.
Pipe nipples also come with a variety of end finishes, such as tapered thread, straight thread, roller cut, reamed and chamfered, square cut, and grooved.
| Size | OD | 1/4-8" |
| Wall Thinkness | 0.5mm-10mm | |
| SCH20,SCH30,SCH40,SCH80,SCH100,SCH120,SCH160,STD,XS,or as buyer's requirer | ||
| Length | Less than 12m | |
| Series | Heavy series,Standard series,Medium series,Light series | |
| connection | Female | |
| Shape | Equal | |
| Certificate | ISO9001:2000,BV,leyon | |
| Material | 1.Carbon steel 2.Alloy steel 3.Stainless steel | |
| Brithsh Standard | Threads:BS21 | |
| DIN Standard | Threads:DIN2999 | |
| American Standard | Threads:ASTM A865-9 | |
| Hydraulic Test | Working Pressure:Max 1.5Mpa | |
| Test Pressure:Max 2.5Mpa | ||
| Temperature | -20~120℃ | |
| Model | Half coupling/socket,full coupling/socket | |
| Surface | Galvanized Electro glavanised Normal black/Shining black | |
| Package | 1.Cartons Without Pallets. 2.Cartons With Pallets. 3.Double Woven Bags Or as buyer's requirements | |
Cangzhou Hongxin Pipe Fittings Co., Ltd., which was established in 1998, is a professional
manufacturer of steel & stainless steel fittings in China. Our company is 180 kilometers
away from Tianjin Port of China, enjoying very convenient transportation. All our products
are designed, manufactured and tested in strict compliance with the standards of DIN, BS,
ISO, ANSI, API, JIS, etc.
Our main products include steel pipe nipples, sockets (black or galvanized, seamless or
welded), stainless steel pipe fittings, malleable iron pipe fittings (union type, elbows,
reducers, bushings, couplings, caps, nuts, hose nipples and so on) and butt-welded pipe
fittings. We are also specialized in pipe cutting, bending, threading and end finishing,
according to customers' needs.
Presently, we export 90% of our products to Germany, France, Russia, Poland, Lithuania,
Israel, the Middle East and South America. With many years' efforts and support from our
valuable customers, these products have obtained a big market share in the world. Our
business principle is "Superior Quality, Competitive Price, Timely Delivery and Considerate
Service".
We welcome all customers to contact us for more information. We assure you, with our
technical knowledge and experience, our company will be one of you stable and long-term
business partners in China!
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