Pipe Fittings
SSM offers carbon steel, stainless steel, and nickel alloy fittings, including butt-weld, socket-weld, and threaded fittings. We provide a variety of fittings to meet your specific requirements.
High Quality Pipe Fittings
SSM provides a wide range of pipe fittings, including elbows, tees, reducers, caps, flanges, couplings, and other components in various materials such as carbon steel, stainless steel, nickel alloys (e.g., Monel, Inconel, Incoloy), Hastelloy, and aluminum alloys. The fittings meet various standards, including ASTM, ASME, and other international specifications, and are designed for applications in industries such as oil and gas, chemical, petrochemical, and marine.
If you need more specific information about a type of fitting or material, feel free to ask!
Socket, Threaded & Buttweld Pipe Fittings
Types : 90-deg Elbow / Cross / Tee /45-deg Elbow /Coupling /Half-Coupling / Cap
Class Designation : 3000 6000 9000
Nominal Pipe Size : 1⁄8 – 4″
Types : 90-deg Elbow / Cross / Tee /45-deg Elbow / Street Elbows / Coupling / Half-Coupling / Cap /Square Head Plug /Hex Head Plug /Round Head Plug /Hex Head Bushing / Flush Bushing
Class Designation : 3000 6000 9000
Nominal Pipe Size : 1⁄8 – 4″
Types : 90-deg Elbow / Cross / Tee /45-deg Elbow / Street Elbows / Coupling / Half-Coupling / Cap /Square Head Plug /Hex Head Plug /Round Head Plug /Hex Head Bushing / Flush Bushing
Wall thickness : SCH5S-SCHXXS
Nominal Pipe Size : 1/2 – 48″
Pipe Fittings by Materials
SSM’s pipe fittings product range includes carbon steel, stainless steel, nickel alloy, etc. We offer a wide range of standard and customized products to meet your every need.
Carbon Steel Pipe Fittings
SSM offers carbon steel fittings, including ASTM A234 for medium—and high-temperature pressure pipeline systems in the petrochemical, power, and boiler industries and ASTM A420 for low-temperature and cryogenic pipeline systems.
Stainless Steel Pipe Fittings
SSM provides ASTM A403 and ASTM A815 fittings for high-corrosion, high-temperature, and high-pressure applications. Common materials include 304, 304L, 316, 316L, 321, 347, 2205,2507.
Monel Pipe Fittings
SSM provides ASTM B366-compliant fittings made of nickel and nickel-copper alloys, including Monel 400 and Monel K500, suitable for high-temperature, high-pressure, and corrosive environments.
Hastelloy Pipe Fittings
SSM provides ASTM B366 Hastelloy pipe fittings suitable for use in high-temperature, high-pressure, and corrosive environments, including elbows, tees, reducers, and caps made of Hastelloy C276, Hastelloy C22, and Hastelloy B2, for connecting piping systems.
Inconel Pipe Fittings
SSM provides fittings such as Inconel 600 (UNS N06600), Inconel 601 (UNS N06601), Inconel 625 (UNS N06625), Inconel 718 (UNS N07718), etc.
Incoloy Pipe Fittings
SSM offers fittings such as Incoloy 800, Incoloy 800H, and Incoloy 800HT, suitable for medium—and high-temperature pressure pipeline systems in the petrochemical, power, and boiler industries.
Pipe Fittings by Types
The types of pipe fittings provided by SSM are not limited to elbows, tees, crosses, couplings, caps, and plugs; we also offer custom products. If you have any specific requirements, please contact us promptly.
Elbow
SSM offers a wide range of elbow fittings, catering to diverse industrial piping needs with precision and reliability.
Tee
SSM provides tee fittings for branching or converging pipelines, suitable for chemical, petroleum, natural gas, and other industries.
Cross
SSM offers equal crosses and reducing crosses for fluid convergence and divergence in pipeline systems.
Coupling
SSM provides butt weld, socket weld, and threaded couplings for connecting pipes of the same or different types.
Cap
SSM provides caps that serve sealing, protection, and safety functions in pipeline systems.
Plug
SSM offers butt weld, socket weld, and threaded plugs used for sealing pipe ends, preventing contamination and corrosion, or as a safety measure.
One-Stop Pipe Fittings Provider for All Your Needs
SSM has significant product advantages in manufacturing Pipe Fittings. Whether it’s quality or price, we will meet your needs.
The Manufacturing Process for Pipe Fittings
The manufacturing process for pipe fittings can vary depending on the specific type (such as elbows, tees, reducers, flanges, etc.) but generally includes the following main steps:
1. Material preparation:
Select suitable raw materials, such as carbon steel, stainless steel, alloy steel, copper, nickel alloy, etc.
2. Cutting:
Cut the raw materials into appropriate sizes using mechanical, plasma, laser, or water-cutting methods.
3. Forming:
Forming is a critical step in the manufacture of pipe fittings. Standard forming methods include:
– Hot pushing: used for making elbows. It involves heating the pipe blank and pushing it into shape in the mold.
– Cold drawing: this technology stretches the pipe into the required shape and size.
– Stamping: mainly used for making flanges and other fittings. The metal sheet is put into the mold and formed by stamping.
– Forging: the metal is heated by forging equipment and forged by a press.
– Rolling: the material is processed into a specific shape by rolling equipment.
4. Welding and splicing:
For some complex-shaped pipe fittings, welding or splicing may be required. For example, large-diameter tees and reducers often require welding to connect multiple parts.
5. Heat treatment:
Heat treatment is usually required to improve the mechanical properties and corrosion resistance of pipe fittings. Common heat treatment methods include annealing, normalizing, quenching, and tempering.
6. Machining:
The pipe fittings are finely processed by turning, milling, drilling, and other mechanical methods to ensure their dimensional accuracy and surface quality.
7. Inspection and testing:
Finished pipe fittings must undergo strict inspection and testing, including dimensional inspection, non-destructive testing (such as ultrasonic and radiographic testing), pressure testing, and mechanical property testing, to ensure they meet relevant standards and requirements.
8. Surface treatment:
Pipe fittings usually require surface treatment, such as pickling, phosphating, sandblasting, coating, or galvanizing, to improve their corrosion resistance and aesthetics.
9. Packaging and Transportation:
Finally, the qualified pipe fittings will be packaged using wooden boxes, pallets, or other appropriate materials to ensure they are not damaged during transportation.
These steps combined form the complete manufacturing process of pipe fittings from raw materials to finished products. Different types of pipe fittings may have some process differences, but the overall process is roughly the same.
Comparative Analysis of Threaded, Socket, and Butt-Welded Pipe Fittings
Threaded, socket, and butt-weld fittings are three standard pipe connectors that differ in connection methods, applications, and structural features. The following are their main differences:
1. Threaded Fittings:
– Structural features:
Threaded fittings have threads inside or outside and can be directly connected to threaded pipes or fittings.
Common thread types include NPT (National Pipe Thread) and BSP (British Standard Pipe).
– Connection method:
No welding is required through a threaded connection, and installation is convenient and quick.
A sealant or raw tape is used during connection to ensure sealing performance.
– Applications:
Mainly used for small-diameter, low-pressure pipe systems, such as domestic water supply and compressed air systems.
Suitable for occasions where welding may cause fire or high temperature.
2. Socket Weld Fittings:
– Structural features:
A socket hole is inside the fitting, and the pipe is fixed by welding after insertion.
Joint socket fittings include socket elbows, socket tees, and socket reducers.
– Connection method:
After the pipe is inserted into the socket hole, it is fixed by corner welds.
Socket welding can provide good mechanical strength and sealing performance.
– Application:
Applicable to small-diameter, high-pressure pipeline systems, such as steam, oil and gas, etc.
Suitable for applications with high pressure but low vibration.
3. Butt Weld Fittings:
– Structural features:
Butt weld fittings have a butt end, which is connected to the pipeline by butt welding.
Joint butt weld fittings include butt weld elbows, butt weld tees, butt weld reducers, etc.
– Connection method:
The ends of the pipeline and the pipe fittings are butt welded, and professional technology is required during the welding process to ensure the welding quality.
Butt welding usually requires full penetration to ensure the strength and sealing of the connection.
– Application:
Applicable to large-diameter, high-pressure, and high-temperature pipeline systems, such as petroleum, chemical, nuclear power, and other fields.
Commonly used when high-strength connections and corrosion resistance are required.
In summary, threaded pipe fittings are suitable for small diameters, low pressure, no welding, and easy installation. They are ideal for domestic water supply, compressed air systems, etc. Socket fittings are suitable for small-diameter, high-pressure welding but compact structures, such as high-pressure steam, oil, and gas systems. Butt welding pipe fittings are suitable for large diameter, high pressure, high-temperature harsh environments, where welding is required, and high connection strength is needed, suitable for petroleum, chemical industry, and other fields.
To ensure a safe, reliable, and efficient connection, choose the appropriate type of pipe fittings according to the specific use requirements and pipeline system needs.
Installation and Maintenance
| Type | Installation Steps | Maintenance Procedures |
| Threaded Fittings | – Clean threads – Apply sealant – Hand tighten, then wrench tighten – Check for leaks | – Regularly inspect for leaks and corrosion – Reapply sealant and retighten if needed – Apply anti-corrosion coatings if necessary |
| Socket Weld Fittings | – Clean pipe and socket – Insert pipe, slightly pull back – Perform fillet weld – Cool and inspect | – Regularly inspect for leaks, cracks, and corrosion – Re-weld or replace if needed – Apply anti-corrosion coatings if necessary |
| Butt Weld Fittings | – Clean and bevel pipe ends – Align pipe and fitting – Tack weld, then complete weld – Cool and inspect | – Regularly inspect for leaks, cracks, and corrosion – Re-weld or replace if needed – Apply anti-corrosion coatings if necessary |
Conclusion
We have introduced our range of pipe fitting products and categories. Pipe fittings are a complex product category. For any technical inquiries, please contact us immediately. We hope to collaborate with you soon.
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