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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